Merge remote-tracking branch 'origin/master'

apache-cxf/cxf-jaxrs-implementation/src/main/java/com/baeldung/cxf/jaxrs/implementation/CourseRepository.java

@@ -9,7 +9,7 @@ import java.util.Map;
 
 @Path("baeldung")
 @Produces("text/xml")
-public class Baeldung {
+public class CourseRepository {
     private Map<Integer, Course> courses = new HashMap<>();
 
     {

apache-cxf/cxf-jaxrs-implementation/src/main/java/com/baeldung/cxf/jaxrs/implementation/RestfulServer.java

@@ -7,8 +7,8 @@ import org.apache.cxf.jaxrs.lifecycle.SingletonResourceProvider;
 public class RestfulServer {
     public static void main(String args[]) throws Exception {
         JAXRSServerFactoryBean factoryBean = new JAXRSServerFactoryBean();
-        factoryBean.setResourceClasses(Baeldung.class);
+        factoryBean.setResourceClasses(CourseRepository.class);
-        factoryBean.setResourceProvider(new SingletonResourceProvider(new Baeldung()));
+        factoryBean.setResourceProvider(new SingletonResourceProvider(new CourseRepository()));
         factoryBean.setAddress("http://localhost:8080/");
         Server server = factoryBean.create();
         

core-java/pom.xml

@@ -162,6 +162,8 @@
 				<configuration>
 					<excludes>
 						<exclude>**/*IntegrationTest.java</exclude>
+                        <exclude>**/*LongRunningUnitTest.java</exclude>
+                        <exclude>**/*ManualTest.java</exclude>
 					</excludes>
 				</configuration>
 			</plugin>

core-java/src/main/java/com/baeldung/enums/Pizza.java

@@ -7,8 +7,7 @@ import java.util.stream.Collectors;
 
 public class Pizza {
 
-    private static EnumSet<PizzaStatusEnum> deliveredPizzaStatuses =
+    private static EnumSet<PizzaStatusEnum> deliveredPizzaStatuses = EnumSet.of(PizzaStatusEnum.DELIVERED);
-            EnumSet.of(PizzaStatusEnum.DELIVERED);
 
     private PizzaStatusEnum status;
 
@@ -76,9 +75,7 @@ public class Pizza {
     }
 
     public static EnumMap<PizzaStatusEnum, List<Pizza>> groupPizzaByStatus(List<Pizza> pzList) {
-        return pzList.stream().collect(
+        return pzList.stream().collect(Collectors.groupingBy(Pizza::getStatus, () -> new EnumMap<>(PizzaStatusEnum.class), Collectors.toList()));
-                Collectors.groupingBy(Pizza::getStatus,
-                        () -> new EnumMap<>(PizzaStatusEnum.class), Collectors.toList()));
     }
 
     public void deliver() {

core-java/src/main/java/com/baeldung/enums/PizzaDeliverySystemConfiguration.java

@@ -1,6 +1,5 @@
 package com.baeldung.enums;
 
-
 public enum PizzaDeliverySystemConfiguration {
     INSTANCE;
 

core-java/src/main/java/com/baeldung/forkjoin/CustomRecursiveAction.java

@@ -30,8 +30,7 @@ public class CustomRecursiveAction extends RecursiveAction {
 
     private Collection<CustomRecursiveAction> createSubtasks() {
 
-        List<CustomRecursiveAction> subtasks =
+        List<CustomRecursiveAction> subtasks = new ArrayList<>();
-                new ArrayList<>();
 
         String partOne = workLoad.substring(0, workLoad.length() / 2);
         String partTwo = workLoad.substring(workLoad.length() / 2, workLoad.length());

core-java/src/main/java/com/baeldung/forkjoin/CustomRecursiveTask.java

@@ -1,6 +1,5 @@
 package com.baeldung.forkjoin;
 
-
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
@@ -23,10 +22,7 @@ public class CustomRecursiveTask extends RecursiveTask<Integer> {
 
         if (arr.length > THRESHOLD) {
 
-            return ForkJoinTask.invokeAll(createSubtasks())
+            return ForkJoinTask.invokeAll(createSubtasks()).stream().mapToInt(ForkJoinTask::join).sum();
-                    .stream()
-                    .mapToInt(ForkJoinTask::join)
-                    .sum();
 
         } else {
             return processing(arr);
@@ -35,17 +31,12 @@ public class CustomRecursiveTask extends RecursiveTask<Integer> {
 
     private Collection<CustomRecursiveTask> createSubtasks() {
         List<CustomRecursiveTask> dividedTasks = new ArrayList<>();
-        dividedTasks.add(new CustomRecursiveTask(
+        dividedTasks.add(new CustomRecursiveTask(Arrays.copyOfRange(arr, 0, arr.length / 2)));
-                Arrays.copyOfRange(arr, 0, arr.length / 2)));
+        dividedTasks.add(new CustomRecursiveTask(Arrays.copyOfRange(arr, arr.length / 2, arr.length)));
-        dividedTasks.add(new CustomRecursiveTask(
-                Arrays.copyOfRange(arr, arr.length / 2, arr.length)));
         return dividedTasks;
     }
 
     private Integer processing(int[] arr) {
-        return Arrays.stream(arr)
+        return Arrays.stream(arr).filter(a -> a > 10 && a < 27).map(a -> a * 10).sum();
-                .filter(a -> a > 10 && a < 27)
-                .map(a -> a * 10)
-                .sum();
     }
 }

core-java/src/main/java/com/baeldung/forkjoin/util/PoolUtil.java

@@ -1,6 +1,5 @@
 package com.baeldung.forkjoin.util;
 
-
 import java.util.concurrent.ForkJoinPool;
 
 public class PoolUtil {

core-java/src/main/java/com/baeldung/java/networking/cookies/PersistentCookieStore.java

@@ -0,0 +1,56 @@
+package com.baeldung.java.networking.cookies;
+
+import java.net.*;
+import java.util.List;
+
+public class PersistentCookieStore implements CookieStore, Runnable {
+    CookieStore store;
+
+    public PersistentCookieStore() {
+        store = new CookieManager().getCookieStore();
+        // deserialize cookies into store
+        Runtime.getRuntime().addShutdownHook(new Thread(this));
+    }
+
+    @Override
+    public void run() {
+        // serialize cookies to persistent storage
+    }
+
+    @Override
+    public void add(URI uri, HttpCookie cookie) {
+        store.add(uri, cookie);
+
+    }
+
+    @Override
+    public List<HttpCookie> get(URI uri) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public List<HttpCookie> getCookies() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public List<URI> getURIs() {
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+    @Override
+    public boolean remove(URI uri, HttpCookie cookie) {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+    @Override
+    public boolean removeAll() {
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+}

core-java/src/main/java/com/baeldung/java/networking/cookies/ProxyAcceptCookiePolicy.java

@@ -0,0 +1,26 @@
+package com.baeldung.java.networking.cookies;
+
+import java.net.*;
+
+public class ProxyAcceptCookiePolicy implements CookiePolicy {
+    String acceptedProxy;
+
+    public ProxyAcceptCookiePolicy(String acceptedProxy) {
+        this.acceptedProxy = acceptedProxy;
+    }
+
+    public boolean shouldAccept(URI uri, HttpCookie cookie) {
+        String host;
+        try {
+            host = InetAddress.getByName(uri.getHost()).getCanonicalHostName();
+        } catch (UnknownHostException e) {
+            host = uri.getHost();
+        }
+
+        if (!HttpCookie.domainMatches(acceptedProxy, host)) {
+            return false;
+        }
+
+        return CookiePolicy.ACCEPT_ORIGINAL_SERVER.shouldAccept(uri, cookie);
+    }
+}

core-java/src/main/java/com/baeldung/java/networking/udp/EchoClient.java

@@ -0,0 +1,42 @@
+package com.baeldung.java.networking.udp;
+
+import java.io.IOException;
+import java.net.DatagramPacket;
+import java.net.DatagramSocket;
+import java.net.InetAddress;
+
+public class EchoClient {
+    private DatagramSocket socket;
+    private InetAddress address;
+
+    private byte[] buf;
+
+    public EchoClient() {
+        try {
+            socket = new DatagramSocket();
+            address = InetAddress.getByName("localhost");
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+
+    }
+
+    public String sendEcho(String msg) {
+        DatagramPacket packet = null;
+        try {
+            buf=msg.getBytes();
+            packet = new DatagramPacket(buf, buf.length, address, 4445);
+            socket.send(packet);
+            packet = new DatagramPacket(buf, buf.length);
+            socket.receive(packet);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        String received = new String(packet.getData(), 0, packet.getLength());
+        return received;
+    }
+
+    public void close() {
+        socket.close();
+    }
+}

core-java/src/main/java/com/baeldung/java/networking/udp/EchoServer.java

@@ -0,0 +1,42 @@
+package com.baeldung.java.networking.udp;
+
+import java.io.IOException;
+import java.net.DatagramPacket;
+import java.net.DatagramSocket;
+import java.net.InetAddress;
+
+public class EchoServer extends Thread {
+
+    protected DatagramSocket socket = null;
+    protected boolean running;
+    protected byte[] buf = new byte[256];
+
+    public EchoServer() throws IOException {
+        socket = new DatagramSocket(4445);
+    }
+
+    public void run() {
+        running = true;
+
+        while (running) {
+            try {
+
+                DatagramPacket packet = new DatagramPacket(buf, buf.length);
+                socket.receive(packet);
+                InetAddress address = packet.getAddress();
+                int port = packet.getPort();
+                packet = new DatagramPacket(buf, buf.length, address, port);
+                String received = new String(packet.getData(), 0, packet.getLength());
+                if (received.equals("end")) {
+                    running = false;
+                    continue;
+                }
+                socket.send(packet);
+            } catch (IOException e) {
+                e.printStackTrace();
+                running = false;
+            }
+        }
+        socket.close();
+    }
+}

core-java/src/main/java/com/baeldung/java/nio/selector/EchoServer.java

@@ -1,15 +1,15 @@
 package com.baeldung.java.nio.selector;
 
-import java.io.File;
-import java.io.IOException;
-import java.net.InetSocketAddress;
-import java.nio.ByteBuffer;
-import java.nio.channels.SelectionKey;
-import java.nio.channels.Selector;
 import java.nio.channels.ServerSocketChannel;
 import java.nio.channels.SocketChannel;
-import java.util.Iterator;
+import java.nio.channels.Selector;
+import java.nio.channels.SelectionKey;
+import java.nio.ByteBuffer;
+import java.io.IOException;
 import java.util.Set;
+import java.util.Iterator;
+import java.net.InetSocketAddress;
+import java.io.File;
 
 public class EchoServer {
 
@@ -49,6 +49,7 @@ public class EchoServer {
         }
     }
 
+
     public static Process start() throws IOException, InterruptedException {
         String javaHome = System.getProperty("java.home");
         String javaBin = javaHome + File.separator + "bin" + File.separator + "java";

core-java/src/main/java/com/baeldung/socket/EchoClient.java

@@ -12,8 +12,7 @@ public class EchoClient {
         try {
             clientSocket = new Socket(ip, port);
             out = new PrintWriter(clientSocket.getOutputStream(), true);
-			in = new BufferedReader(new InputStreamReader(
+            in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
-					clientSocket.getInputStream()));
         } catch (IOException e) {
             System.out.print(e);
         }

core-java/src/main/java/com/baeldung/socket/EchoMultiServer.java

@@ -42,8 +42,7 @@ public class EchoMultiServer {
         public void run() {
             try {
                 out = new PrintWriter(clientSocket.getOutputStream(), true);
-				in = new BufferedReader(new InputStreamReader(
+                in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
-						clientSocket.getInputStream()));
                 String inputLine;
                 while ((inputLine = in.readLine()) != null) {
                     if (".".equals(inputLine)) {

core-java/src/main/java/com/baeldung/socket/EchoServer.java

@@ -14,8 +14,7 @@ public class EchoServer {
             serverSocket = new ServerSocket(port);
             clientSocket = serverSocket.accept();
             out = new PrintWriter(clientSocket.getOutputStream(), true);
-			in = new BufferedReader(new InputStreamReader(
+            in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
-					clientSocket.getInputStream()));
             String inputLine;
             while ((inputLine = in.readLine()) != null) {
                 if (".".equals(inputLine)) {

core-java/src/main/java/com/baeldung/socket/GreetClient.java

@@ -15,8 +15,7 @@ public class GreetClient {
         try {
             clientSocket = new Socket(ip, port);
             out = new PrintWriter(clientSocket.getOutputStream(), true);
-			in = new BufferedReader(new InputStreamReader(
+            in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
-					clientSocket.getInputStream()));
         } catch (IOException e) {
 
         }

core-java/src/main/java/com/baeldung/socket/GreetServer.java

@@ -9,14 +9,12 @@ public class GreetServer {
     private PrintWriter out;
     private BufferedReader in;
 
-
     public void start(int port) {
         try {
             serverSocket = new ServerSocket(port);
             clientSocket = serverSocket.accept();
             out = new PrintWriter(clientSocket.getOutputStream(), true);
-			in = new BufferedReader(new InputStreamReader(
+            in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
-					clientSocket.getInputStream()));
             String greeting = in.readLine();
             if ("hello server".equals(greeting))
                 out.println("hello client");
@@ -39,6 +37,7 @@ public class GreetServer {
         }
 
     }
+
     public static void main(String[] args) {
         GreetServer server = new GreetServer();
         server.start(6666);

core-java/src/main/java/com/baeldung/streamApi/Product.java

@@ -44,7 +44,6 @@ public class Product {
         this.name = name;
     }
 
-
     public static Stream<String> streamOf(List<String> list) {
         return (list == null || list.isEmpty()) ? Stream.empty() : list.stream();
     }

core-java/src/main/java/com/baeldung/threadpool/CountingTask.java

@@ -14,9 +14,7 @@ public class CountingTask extends RecursiveTask<Integer> {
 
     @Override
     protected Integer compute() {
-        return node.value + node.children.stream()
+        return node.value + node.children.stream().map(childNode -> new CountingTask(childNode).fork()).collect(Collectors.summingInt(ForkJoinTask::join));
-                .map(childNode -> new CountingTask(childNode).fork())
-                .collect(Collectors.summingInt(ForkJoinTask::join));
     }
 
 }

core-java/src/test/java/com/baeldung/RandomListElementUnitTest.java

@@ -6,7 +6,7 @@ import org.junit.Test;
 import java.util.*;
 import java.util.concurrent.ThreadLocalRandom;
 
-public class RandomListElementTest {
+public class RandomListElementUnitTest {
 
     @Test
     public void givenList_whenRandomIndexChosen_shouldReturnARandomElementUsingRandom() {

core-java/src/test/java/com/baeldung/StringToIntOrIntegerUnitTest.java

@@ -1,11 +1,12 @@
 package com.baeldung;
 
-import com.google.common.primitives.Ints;
-import org.junit.Test;
-
 import static org.assertj.core.api.Assertions.assertThat;
 
-public class StringToIntOrIntegerTest {
+import org.junit.Test;
+
+import com.google.common.primitives.Ints;
+
+public class StringToIntOrIntegerUnitTest {
 
     @Test
     public void givenString_whenParsingInt_shouldConvertToInt() {
@@ -16,7 +17,6 @@ public class StringToIntOrIntegerTest {
         assertThat(result).isEqualTo(42);
     }
 
-
     @Test
     public void givenString_whenCallingIntegerValueOf_shouldConvertToInt() {
         String givenString = "42";

core-java/src/test/java/com/baeldung/collectors/Java8CollectorsTest.java

@@ -42,192 +42,137 @@ public class Java8CollectorsTest {
 
     @Test
     public void whenCollectingToList_shouldCollectToList() throws Exception {
-        final List<String> result = givenList.stream()
+        final List<String> result = givenList.stream().collect(toList());
-          .collect(toList());
 
-        assertThat(result)
+        assertThat(result).containsAll(givenList);
-          .containsAll(givenList);
     }
 
     @Test
     public void whenCollectingToList_shouldCollectToSet() throws Exception {
-        final Set<String> result = givenList.stream()
+        final Set<String> result = givenList.stream().collect(toSet());
-          .collect(toSet());
 
-        assertThat(result)
+        assertThat(result).containsAll(givenList);
-          .containsAll(givenList);
     }
 
     @Test
     public void whenCollectingToCollection_shouldCollectToCollection() throws Exception {
-        final List<String> result = givenList.stream()
+        final List<String> result = givenList.stream().collect(toCollection(LinkedList::new));
-          .collect(toCollection(LinkedList::new));
 
-        assertThat(result)
+        assertThat(result).containsAll(givenList).isInstanceOf(LinkedList.class);
-          .containsAll(givenList)
-          .isInstanceOf(LinkedList.class);
     }
 
     @Test
     public void whenCollectingToImmutableCollection_shouldThrowException() throws Exception {
         assertThatThrownBy(() -> {
-            givenList.stream()
+            givenList.stream().collect(toCollection(ImmutableList::of));
-              .collect(toCollection(ImmutableList::of));
         }).isInstanceOf(UnsupportedOperationException.class);
 
     }
 
     @Test
     public void whenCollectingToMap_shouldCollectToMap() throws Exception {
-        final Map<String, Integer> result = givenList.stream()
+        final Map<String, Integer> result = givenList.stream().collect(toMap(Function.identity(), String::length));
-          .collect(toMap(Function.identity(), String::length));
 
-        assertThat(result)
+        assertThat(result).containsEntry("a", 1).containsEntry("bb", 2).containsEntry("ccc", 3).containsEntry("dd", 2);
-          .containsEntry("a", 1)
-          .containsEntry("bb", 2)
-          .containsEntry("ccc", 3)
-          .containsEntry("dd", 2);
     }
 
     @Test
     public void whenCollectingToMap_shouldCollectToMapMerging() throws Exception {
-        final Map<String, Integer> result = givenList.stream()
+        final Map<String, Integer> result = givenList.stream().collect(toMap(Function.identity(), String::length, (i1, i2) -> i1));
-          .collect(toMap(Function.identity(), String::length, (i1, i2) -> i1));
 
-        assertThat(result)
+        assertThat(result).containsEntry("a", 1).containsEntry("bb", 2).containsEntry("ccc", 3).containsEntry("dd", 2);
-          .containsEntry("a", 1)
-          .containsEntry("bb", 2)
-          .containsEntry("ccc", 3)
-          .containsEntry("dd", 2);
     }
 
     @Test
     public void whenCollectingAndThen_shouldCollect() throws Exception {
-        final List<String> result = givenList.stream()
+        final List<String> result = givenList.stream().collect(collectingAndThen(toList(), ImmutableList::copyOf));
-          .collect(collectingAndThen(toList(), ImmutableList::copyOf));
 
-        assertThat(result)
+        assertThat(result).containsAll(givenList).isInstanceOf(ImmutableList.class);
-          .containsAll(givenList)
-          .isInstanceOf(ImmutableList.class);
     }
 
     @Test
     public void whenJoining_shouldJoin() throws Exception {
-        final String result = givenList.stream()
+        final String result = givenList.stream().collect(joining());
-          .collect(joining());
 
-        assertThat(result)
+        assertThat(result).isEqualTo("abbcccdd");
-          .isEqualTo("abbcccdd");
     }
 
     @Test
     public void whenJoiningWithSeparator_shouldJoinWithSeparator() throws Exception {
-        final String result = givenList.stream()
+        final String result = givenList.stream().collect(joining(" "));
-          .collect(joining(" "));
 
-        assertThat(result)
+        assertThat(result).isEqualTo("a bb ccc dd");
-          .isEqualTo("a bb ccc dd");
     }
 
     @Test
     public void whenJoiningWithSeparatorAndPrefixAndPostfix_shouldJoinWithSeparatorPrePost() throws Exception {
-        final String result = givenList.stream()
+        final String result = givenList.stream().collect(joining(" ", "PRE-", "-POST"));
-          .collect(joining(" ", "PRE-", "-POST"));
 
-        assertThat(result)
+        assertThat(result).isEqualTo("PRE-a bb ccc dd-POST");
-          .isEqualTo("PRE-a bb ccc dd-POST");
     }
 
     @Test
     public void whenPartitioningBy_shouldPartition() throws Exception {
-        final Map<Boolean, List<String>> result = givenList.stream()
+        final Map<Boolean, List<String>> result = givenList.stream().collect(partitioningBy(s -> s.length() > 2));
-          .collect(partitioningBy(s -> s.length() > 2));
 
-        assertThat(result)
+        assertThat(result).containsKeys(true, false).satisfies(booleanListMap -> {
-          .containsKeys(true, false)
+            assertThat(booleanListMap.get(true)).contains("ccc");
-          .satisfies(booleanListMap -> {
-              assertThat(booleanListMap.get(true))
-                .contains("ccc");
 
-              assertThat(booleanListMap.get(false))
+            assertThat(booleanListMap.get(false)).contains("a", "bb", "dd");
-                .contains("a", "bb", "dd");
         });
     }
 
     @Test
     public void whenCounting_shouldCount() throws Exception {
-        final Long result = givenList.stream()
+        final Long result = givenList.stream().collect(counting());
-          .collect(counting());
 
-        assertThat(result)
+        assertThat(result).isEqualTo(4);
-          .isEqualTo(4);
     }
 
     @Test
     public void whenSummarizing_shouldSummarize() throws Exception {
-        final DoubleSummaryStatistics result = givenList.stream()
+        final DoubleSummaryStatistics result = givenList.stream().collect(summarizingDouble(String::length));
-          .collect(summarizingDouble(String::length));
 
-        assertThat(result.getAverage())
+        assertThat(result.getAverage()).isEqualTo(2);
-          .isEqualTo(2);
+        assertThat(result.getCount()).isEqualTo(4);
-        assertThat(result.getCount())
+        assertThat(result.getMax()).isEqualTo(3);
-          .isEqualTo(4);
+        assertThat(result.getMin()).isEqualTo(1);
-        assertThat(result.getMax())
+        assertThat(result.getSum()).isEqualTo(8);
-          .isEqualTo(3);
-        assertThat(result.getMin())
-          .isEqualTo(1);
-        assertThat(result.getSum())
-          .isEqualTo(8);
     }
 
     @Test
     public void whenAveraging_shouldAverage() throws Exception {
-        final Double result = givenList.stream()
+        final Double result = givenList.stream().collect(averagingDouble(String::length));
-          .collect(averagingDouble(String::length));
 
-        assertThat(result)
+        assertThat(result).isEqualTo(2);
-          .isEqualTo(2);
     }
 
     @Test
     public void whenSumming_shouldSum() throws Exception {
-        final Double result = givenList.stream()
+        final Double result = givenList.stream().collect(summingDouble(String::length));
-          .collect(summingDouble(String::length));
 
-        assertThat(result)
+        assertThat(result).isEqualTo(8);
-          .isEqualTo(8);
     }
 
     @Test
     public void whenMaxingBy_shouldMaxBy() throws Exception {
-        final Optional<String> result = givenList.stream()
+        final Optional<String> result = givenList.stream().collect(maxBy(Comparator.naturalOrder()));
-          .collect(maxBy(Comparator.naturalOrder()));
 
-        assertThat(result)
+        assertThat(result).isPresent().hasValue("dd");
-          .isPresent()
-          .hasValue("dd");
     }
 
     @Test
     public void whenGroupingBy_shouldGroupBy() throws Exception {
-        final Map<Integer, Set<String>> result = givenList.stream()
+        final Map<Integer, Set<String>> result = givenList.stream().collect(groupingBy(String::length, toSet()));
-          .collect(groupingBy(String::length, toSet()));
 
-        assertThat(result)
+        assertThat(result).containsEntry(1, newHashSet("a")).containsEntry(2, newHashSet("bb", "dd")).containsEntry(3, newHashSet("ccc"));
-          .containsEntry(1, newHashSet("a"))
-          .containsEntry(2, newHashSet("bb", "dd"))
-          .containsEntry(3, newHashSet("ccc"));
     }
 
-
     @Test
     public void whenCreatingCustomCollector_shouldCollect() throws Exception {
-        final ImmutableSet<String> result = givenList.stream()
+        final ImmutableSet<String> result = givenList.stream().collect(toImmutableSet());
-          .collect(toImmutableSet());
 
-        assertThat(result)
+        assertThat(result).isInstanceOf(ImmutableSet.class).contains("a", "bb", "ccc", "dd");
-          .isInstanceOf(ImmutableSet.class)
-          .contains("a", "bb", "ccc", "dd");
 
     }
 

core-java/src/test/java/com/baeldung/completablefuture/CompletableFutureUnitTest.java

@@ -1,24 +1,26 @@
 package com.baeldung.completablefuture;
 
-import java.util.concurrent.*;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import java.util.concurrent.CancellationException;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
 import org.junit.Test;
 
-import static org.junit.Assert.assertEquals;
+public class CompletableFutureUnitTest {
-import static org.junit.Assert.assertTrue;
-
-public class CompletableFutureTest {
 
     @Test
     public void whenRunningCompletableFutureAsynchronously_thenGetMethodWaitsForResult() throws InterruptedException, ExecutionException {
-
         Future<String> completableFuture = calculateAsync();
 
         String result = completableFuture.get();
         assertEquals("Hello", result);
-
     }
 
     public Future<String> calculateAsync() throws InterruptedException {
@@ -35,15 +37,12 @@ public class CompletableFutureTest {
 
     @Test
     public void whenRunningCompletableFutureWithResult_thenGetMethodReturnsImmediately() throws InterruptedException, ExecutionException {
-
         Future<String> completableFuture = CompletableFuture.completedFuture("Hello");
 
         String result = completableFuture.get();
         assertEquals("Hello", result);
-
     }
 
-
     public Future<String> calculateAsyncWithCancellation() throws InterruptedException {
         CompletableFuture<String> completableFuture = new CompletableFuture<>();
 
@@ -56,90 +55,67 @@ public class CompletableFutureTest {
         return completableFuture;
     }
 
-
     @Test(expected = CancellationException.class)
     public void whenCancelingTheFuture_thenThrowsCancellationException() throws ExecutionException, InterruptedException {
-
         Future<String> future = calculateAsyncWithCancellation();
         future.get();
-
     }
 
     @Test
     public void whenCreatingCompletableFutureWithSupplyAsync_thenFutureReturnsValue() throws ExecutionException, InterruptedException {
-
         CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> "Hello");
 
         assertEquals("Hello", future.get());
-
     }
 
     @Test
     public void whenAddingThenAcceptToFuture_thenFunctionExecutesAfterComputationIsFinished() throws ExecutionException, InterruptedException {
-
         CompletableFuture<String> completableFuture = CompletableFuture.supplyAsync(() -> "Hello");
 
         CompletableFuture<Void> future = completableFuture.thenAccept(s -> System.out.println("Computation returned: " + s));
 
         future.get();
-
     }
 
     @Test
     public void whenAddingThenRunToFuture_thenFunctionExecutesAfterComputationIsFinished() throws ExecutionException, InterruptedException {
-
         CompletableFuture<String> completableFuture = CompletableFuture.supplyAsync(() -> "Hello");
 
         CompletableFuture<Void> future = completableFuture.thenRun(() -> System.out.println("Computation finished."));
 
         future.get();
-
     }
 
     @Test
     public void whenAddingThenApplyToFuture_thenFunctionExecutesAfterComputationIsFinished() throws ExecutionException, InterruptedException {
-
         CompletableFuture<String> completableFuture = CompletableFuture.supplyAsync(() -> "Hello");
 
         CompletableFuture<String> future = completableFuture.thenApply(s -> s + " World");
 
         assertEquals("Hello World", future.get());
-
     }
 
     @Test
     public void whenUsingThenCompose_thenFuturesExecuteSequentially() throws ExecutionException, InterruptedException {
-
+        CompletableFuture<String> completableFuture = CompletableFuture.supplyAsync(() -> "Hello").thenCompose(s -> CompletableFuture.supplyAsync(() -> s + " World"));
-        CompletableFuture<String> completableFuture = CompletableFuture.supplyAsync(() -> "Hello")
-                .thenCompose(s -> CompletableFuture.supplyAsync(() -> s + " World"));
 
         assertEquals("Hello World", completableFuture.get());
-
     }
 
     @Test
     public void whenUsingThenCombine_thenWaitForExecutionOfBothFutures() throws ExecutionException, InterruptedException {
-
+        CompletableFuture<String> completableFuture = CompletableFuture.supplyAsync(() -> "Hello").thenCombine(CompletableFuture.supplyAsync(() -> " World"), (s1, s2) -> s1 + s2);
-        CompletableFuture<String> completableFuture = CompletableFuture.supplyAsync(() -> "Hello")
-                .thenCombine(CompletableFuture.supplyAsync(() -> " World"),
-                        (s1, s2) -> s1 + s2);
 
         assertEquals("Hello World", completableFuture.get());
-
     }
 
     @Test
     public void whenUsingThenAcceptBoth_thenWaitForExecutionOfBothFutures() throws ExecutionException, InterruptedException {
-
+        CompletableFuture.supplyAsync(() -> "Hello").thenAcceptBoth(CompletableFuture.supplyAsync(() -> " World"), (s1, s2) -> System.out.println(s1 + s2));
-        CompletableFuture.supplyAsync(() -> "Hello")
-                .thenAcceptBoth(CompletableFuture.supplyAsync(() -> " World"),
-                        (s1, s2) -> System.out.println(s1 + s2));
-
     }
 
     @Test
     public void whenFutureCombinedWithAllOfCompletes_thenAllFuturesAreDone() throws ExecutionException, InterruptedException {
-
         CompletableFuture<String> future1 = CompletableFuture.supplyAsync(() -> "Hello");
         CompletableFuture<String> future2 = CompletableFuture.supplyAsync(() -> "Beautiful");
         CompletableFuture<String> future3 = CompletableFuture.supplyAsync(() -> "World");
@@ -154,17 +130,13 @@ public class CompletableFutureTest {
         assertTrue(future2.isDone());
         assertTrue(future3.isDone());
 
-        String combined = Stream.of(future1, future2, future3)
+        String combined = Stream.of(future1, future2, future3).map(CompletableFuture::join).collect(Collectors.joining(" "));
-                .map(CompletableFuture::join)
-                .collect(Collectors.joining(" "));
 
         assertEquals("Hello Beautiful World", combined);
-
     }
 
     @Test
     public void whenFutureThrows_thenHandleMethodReceivesException() throws ExecutionException, InterruptedException {
-
         String name = null;
 
         // ...
@@ -177,12 +149,10 @@ public class CompletableFutureTest {
         }).handle((s, t) -> s != null ? s : "Hello, Stranger!");
 
         assertEquals("Hello, Stranger!", completableFuture.get());
-
     }
 
     @Test(expected = ExecutionException.class)
     public void whenCompletingFutureExceptionally_thenGetMethodThrows() throws ExecutionException, InterruptedException {
-
         CompletableFuture<String> completableFuture = new CompletableFuture<>();
 
         // ...
@@ -192,18 +162,15 @@ public class CompletableFutureTest {
         // ...
 
         completableFuture.get();
-
     }
 
     @Test
     public void whenAddingThenApplyAsyncToFuture_thenFunctionExecutesAfterComputationIsFinished() throws ExecutionException, InterruptedException {
-
         CompletableFuture<String> completableFuture = CompletableFuture.supplyAsync(() -> "Hello");
 
         CompletableFuture<String> future = completableFuture.thenApplyAsync(s -> s + " World");
 
         assertEquals("Hello World", future.get());
-
     }
 
 }

core-java/src/test/java/com/baeldung/dateapi/JavaUtilTimeUnitTest.java

@@ -14,7 +14,7 @@ import java.time.temporal.ChronoUnit;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-public class JavaUtilTimeTest {
+public class JavaUtilTimeUnitTest {
 
     @Test
     public void currentTime() {

core-java/src/test/java/com/baeldung/functionalinterface/FunctionalInterfaceUnitTest.java

@@ -1,7 +1,8 @@
 package com.baeldung.functionalinterface;
 
-import com.google.common.util.concurrent.Uninterruptibles;
+import static org.junit.Assert.assertArrayEquals;
-import org.junit.Test;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
 
 import java.util.Arrays;
 import java.util.HashMap;
@@ -13,38 +14,28 @@ import java.util.function.Supplier;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
-import static org.junit.Assert.*;
+import org.junit.Test;
 
-public class FunctionalInterfaceTest {
+import com.google.common.util.concurrent.Uninterruptibles;
+
+public class FunctionalInterfaceUnitTest {
 
     @Test
     public void whenPassingLambdaToComputeIfAbsent_thenTheValueGetsComputedAndPutIntoMap() {
-
         Map<String, Integer> nameMap = new HashMap<>();
         Integer value = nameMap.computeIfAbsent("John", s -> s.length());
 
         assertEquals(new Integer(4), nameMap.get("John"));
         assertEquals(new Integer(4), value);
-
     }
 
     @Test
     public void whenPassingMethodReferenceToComputeIfAbsent_thenTheValueGetsComputedAndPutIntoMap() {
-
         Map<String, Integer> nameMap = new HashMap<>();
         Integer value = nameMap.computeIfAbsent("John", String::length);
 
         assertEquals(new Integer(4), nameMap.get("John"));
         assertEquals(new Integer(4), value);
-
-    }
-
-    public byte[] transformArray(short[] array, ShortToByteFunction function) {
-        byte[] transformedArray = new byte[array.length];
-        for (int i = 0; i < array.length; i++) {
-            transformedArray[i] = function.applyAsByte(array[i]);
-        }
-        return transformedArray;
     }
 
     @Test
@@ -60,7 +51,6 @@ public class FunctionalInterfaceTest {
 
     @Test
     public void whenUsingBiFunction_thenCanUseItToReplaceMapValues() {
-
         Map<String, Integer> salaries = new HashMap<>();
         salaries.put("John", 40000);
         salaries.put("Freddy", 30000);
@@ -71,16 +61,12 @@ public class FunctionalInterfaceTest {
         assertEquals(new Integer(50000), salaries.get("John"));
         assertEquals(new Integer(30000), salaries.get("Freddy"));
         assertEquals(new Integer(60000), salaries.get("Samuel"));
-
     }
 
-
     @Test
     public void whenPassingLambdaToThreadConstructor_thenLambdaInferredToRunnable() {
-
         Thread thread = new Thread(() -> System.out.println("Hello From Another Thread"));
         thread.start();
-
     }
 
     @Test
@@ -95,55 +81,44 @@ public class FunctionalInterfaceTest {
             return result;
         });
 
-        List<Integer> fibonacci5 = fibonacci.limit(5)
+        List<Integer> fibonacci5 = fibonacci.limit(5).collect(Collectors.toList());
-                .collect(Collectors.toList());
 
         assertEquals(new Integer(1), fibonacci5.get(0));
         assertEquals(new Integer(1), fibonacci5.get(1));
         assertEquals(new Integer(2), fibonacci5.get(2));
         assertEquals(new Integer(3), fibonacci5.get(3));
         assertEquals(new Integer(5), fibonacci5.get(4));
-
     }
 
     @Test
     public void whenUsingConsumerInForEach_thenConsumerExecutesForEachListElement() {
-
         List<String> names = Arrays.asList("John", "Freddy", "Samuel");
         names.forEach(name -> System.out.println("Hello, " + name));
-
     }
 
     @Test
     public void whenUsingBiConsumerInForEach_thenConsumerExecutesForEachMapElement() {
-
         Map<String, Integer> ages = new HashMap<>();
         ages.put("John", 25);
         ages.put("Freddy", 24);
         ages.put("Samuel", 30);
 
         ages.forEach((name, age) -> System.out.println(name + " is " + age + " years old"));
-
     }
 
     @Test
     public void whenUsingPredicateInFilter_thenListValuesAreFilteredOut() {
-
         List<String> names = Arrays.asList("Angela", "Aaron", "Bob", "Claire", "David");
 
-        List<String> namesWithA = names.stream()
+        List<String> namesWithA = names.stream().filter(name -> name.startsWith("A")).collect(Collectors.toList());
-                .filter(name -> name.startsWith("A"))
-                .collect(Collectors.toList());
 
         assertEquals(2, namesWithA.size());
         assertTrue(namesWithA.contains("Angela"));
         assertTrue(namesWithA.contains("Aaron"));
-
     }
 
     @Test
     public void whenUsingUnaryOperatorWithReplaceAll_thenAllValuesInTheListAreReplaced() {
-
         List<String> names = Arrays.asList("bob", "josh", "megan");
 
         names.replaceAll(String::toUpperCase);
@@ -151,7 +126,6 @@ public class FunctionalInterfaceTest {
         assertEquals("BOB", names.get(0));
         assertEquals("JOSH", names.get(1));
         assertEquals("MEGAN", names.get(2));
-
     }
 
     @Test
@@ -159,8 +133,7 @@ public class FunctionalInterfaceTest {
 
         List<Integer> values = Arrays.asList(3, 5, 8, 9, 12);
 
-        int sum = values.stream()
+        int sum = values.stream().reduce(0, (i1, i2) -> i1 + i2);
-                .reduce(0, (i1, i2) -> i1 + i2);
 
         assertEquals(37, sum);
 
@@ -178,10 +151,6 @@ public class FunctionalInterfaceTest {
 
     }
 
-    public double squareLazy(Supplier<Double> lazyValue) {
-        return Math.pow(lazyValue.get(), 2);
-    }
-
     @Test
     public void whenUsingSupplierToGenerateValue_thenValueIsGeneratedLazily() {
 
@@ -196,4 +165,18 @@ public class FunctionalInterfaceTest {
 
     }
 
+    //
+
+    public double squareLazy(Supplier<Double> lazyValue) {
+        return Math.pow(lazyValue.get(), 2);
+    }
+
+    public byte[] transformArray(short[] array, ShortToByteFunction function) {
+        byte[] transformedArray = new byte[array.length];
+        for (int i = 0; i < array.length; i++) {
+            transformedArray[i] = function.applyAsByte(array[i]);
+        }
+        return transformedArray;
+    }
+
 }

core-java/src/test/java/com/baeldung/java/networking/udp/UDPTest.java

@@ -0,0 +1,39 @@
+package com.baeldung.java.networking.udp;
+
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.IOException;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+
+public class UDPTest {
+    private EchoClient client;
+
+    @Before
+    public void setup() throws IOException {
+        new EchoServer().start();
+        client = new EchoClient();
+    }
+
+    @Test
+    public void whenCanSendAndReceivePacket_thenCorrect1() {
+        String echo = client.sendEcho("hello server");
+        assertEquals("hello server", echo);
+        echo = client.sendEcho("server is working");
+        assertFalse(echo.equals("hello server"));
+    }
+
+    @After
+    public void tearDown() {
+        stopEchoServer();
+        client.close();
+    }
+
+    private void stopEchoServer() {
+        client.sendEcho("end");
+    }
+}

core-java/src/test/java/com/baeldung/java/networking/url/UrlTest.java

@@ -0,0 +1,104 @@
+package com.baeldung.java.networking.url;
+
+import static org.junit.Assert.assertEquals;
+
+import java.net.MalformedURLException;
+import java.net.URL;
+
+import org.junit.Test;
+
+public class UrlTest {
+
+    @Test
+    public void givenUrl_whenCanIdentifyProtocol_thenCorrect() throws MalformedURLException {
+        URL url = new URL("http://baeldung.com");
+        assertEquals("http", url.getProtocol());
+    }
+
+    @Test
+    public void givenUrl_whenCanGetHost_thenCorrect() throws MalformedURLException {
+        URL url = new URL("http://baeldung.com");
+        assertEquals("baeldung.com", url.getHost());
+    }
+
+    @Test
+    public void givenUrl_whenCanGetFileName_thenCorrect2() throws MalformedURLException {
+        URL url = new URL("http://baeldung.com/articles?topic=java&version=8");
+        assertEquals("/articles?topic=java&version=8", url.getFile());
+    }
+
+    @Test
+    public void givenUrl_whenCanGetFileName_thenCorrect1() throws MalformedURLException {
+        URL url = new URL("http://baeldung.com/guidelines.txt");
+        assertEquals("/guidelines.txt", url.getFile());
+    }
+
+    @Test
+    public void givenUrl_whenCanGetPathParams_thenCorrect() throws MalformedURLException {
+        URL url = new URL("http://baeldung.com/articles?topic=java&version=8");
+        assertEquals("/articles", url.getPath());
+    }
+
+    @Test
+    public void givenUrl_whenCanGetQueryParams_thenCorrect() throws MalformedURLException {
+        URL url = new URL("http://baeldung.com/articles?topic=java");
+        assertEquals("topic=java", url.getQuery());
+    }
+
+    @Test
+    public void givenUrl_whenGetsDefaultPort_thenCorrect() throws MalformedURLException {
+        URL url = new URL("http://baeldung.com");
+        assertEquals(-1, url.getPort());
+        assertEquals(80, url.getDefaultPort());
+    }
+
+    @Test
+    public void givenUrl_whenGetsPort_thenCorrect() throws MalformedURLException {
+        URL url = new URL("http://baeldung.com:8090");
+        assertEquals(8090, url.getPort());
+        assertEquals(80, url.getDefaultPort());
+    }
+
+    @Test
+    public void givenBaseUrl_whenCreatesRelativeUrl_thenCorrect() throws MalformedURLException {
+        URL baseUrl = new URL("http://baeldung.com");
+        URL relativeUrl = new URL(baseUrl, "a-guide-to-java-sockets");
+        assertEquals("http://baeldung.com/a-guide-to-java-sockets", relativeUrl.toString());
+    }
+
+    @Test
+    public void givenAbsoluteUrl_whenIgnoresBaseUrl_thenCorrect() throws MalformedURLException {
+        URL baseUrl = new URL("http://baeldung.com");
+        URL relativeUrl = new URL(baseUrl, "http://baeldung.com/a-guide-to-java-sockets");
+        assertEquals("http://baeldung.com/a-guide-to-java-sockets", relativeUrl.toString());
+    }
+
+    @Test
+    public void givenUrlComponents_whenConstructsCompleteUrl_thenCorrect() throws MalformedURLException {
+        String protocol = "http";
+        String host = "baeldung.com";
+        String file = "/guidelines.txt";
+        URL url = new URL(protocol, host, file);
+        assertEquals("http://baeldung.com/guidelines.txt", url.toString());
+    }
+
+    @Test
+    public void givenUrlComponents_whenConstructsCompleteUrl_thenCorrect2() throws MalformedURLException {
+        String protocol = "http";
+        String host = "baeldung.com";
+        String file = "/articles?topic=java&version=8";
+        URL url = new URL(protocol, host, file);
+        assertEquals("http://baeldung.com/guidelines.txt", url.toString());
+    }
+
+    @Test
+    public void givenUrlComponentsWithPort_whenConstructsCompleteUrl_thenCorrect() throws MalformedURLException {
+        String protocol = "http";
+        String host = "baeldung.com";
+        int port = 9000;
+        String file = "/guidelines.txt";
+        URL url = new URL(protocol, host, port, file);
+        assertEquals("http://baeldung.com:9000/guidelines.txt", url.toString());
+    }
+
+}

core-java/src/test/java/com/baeldung/java/nio/selector/EchoTest.java

@@ -16,6 +16,7 @@ public class EchoTest {
         String resp2 = client.sendMessage("world");
         assertEquals("hello", resp1);
         assertEquals("world", resp2);
+
         process.destroy();
     }
 }

core-java/src/test/java/com/baeldung/java/reflection/ReflectionUnitTest.java

@@ -11,7 +11,7 @@ import java.util.List;
 import java.util.ArrayList;
 import static org.junit.Assert.*;
 
-public class ReflectionTest {
+public class ReflectionUnitTest {
 
     @Test
     public void givenObject_whenGetsFieldNamesAtRuntime_thenCorrect() {
@@ -20,8 +20,7 @@ public class ReflectionTest {
 
         List<String> actualFieldNames = getFieldNames(fields);
 
-        assertTrue(Arrays.asList("name", "age")
+        assertTrue(Arrays.asList("name", "age").containsAll(actualFieldNames));
-          .containsAll(actualFieldNames));
     }
 
     @Test
@@ -35,8 +34,7 @@ public class ReflectionTest {
     }
 
     @Test
-    public void givenClassName_whenCreatesObject_thenCorrect()
+    public void givenClassName_whenCreatesObject_thenCorrect() throws ClassNotFoundException {
-      throws ClassNotFoundException {
         Class<?> clazz = Class.forName("com.baeldung.java.reflection.Goat");
 
         assertEquals("Goat", clazz.getSimpleName());
@@ -45,8 +43,7 @@ public class ReflectionTest {
     }
 
     @Test
-    public void givenClass_whenRecognisesModifiers_thenCorrect()
+    public void givenClass_whenRecognisesModifiers_thenCorrect() throws ClassNotFoundException {
-      throws ClassNotFoundException {
         Class<?> goatClass = Class.forName("com.baeldung.java.reflection.Goat");
         Class<?> animalClass = Class.forName("com.baeldung.java.reflection.Animal");
         int goatMods = goatClass.getModifiers();
@@ -80,8 +77,7 @@ public class ReflectionTest {
     }
 
     @Test
-    public void givenClass_whenGetsImplementedInterfaces_thenCorrect()
+    public void givenClass_whenGetsImplementedInterfaces_thenCorrect() throws ClassNotFoundException {
-      throws ClassNotFoundException {
         Class<?> goatClass = Class.forName("com.baeldung.java.reflection.Goat");
         Class<?> animalClass = Class.forName("com.baeldung.java.reflection.Animal");
         Class<?>[] goatInterfaces = goatClass.getInterfaces();
@@ -94,8 +90,7 @@ public class ReflectionTest {
     }
 
     @Test
-    public void givenClass_whenGetsConstructor_thenCorrect()
+    public void givenClass_whenGetsConstructor_thenCorrect() throws ClassNotFoundException {
-      throws ClassNotFoundException {
         Class<?> goatClass = Class.forName("com.baeldung.java.reflection.Goat");
         Constructor<?>[] constructors = goatClass.getConstructors();
 
@@ -104,8 +99,7 @@ public class ReflectionTest {
     }
 
     @Test
-    public void givenClass_whenGetsFields_thenCorrect()
+    public void givenClass_whenGetsFields_thenCorrect() throws ClassNotFoundException {
-      throws ClassNotFoundException {
         Class<?> animalClass = Class.forName("com.baeldung.java.reflection.Animal");
         Field[] fields = animalClass.getDeclaredFields();
 
@@ -116,20 +110,17 @@ public class ReflectionTest {
     }
 
     @Test
-    public void givenClass_whenGetsMethods_thenCorrect()
+    public void givenClass_whenGetsMethods_thenCorrect() throws ClassNotFoundException {
-      throws ClassNotFoundException {
         Class<?> animalClass = Class.forName("com.baeldung.java.reflection.Animal");
         Method[] methods = animalClass.getDeclaredMethods();
         List<String> actualMethods = getMethodNames(methods);
 
         assertEquals(4, actualMethods.size());
-        assertTrue(actualMethods.containsAll(Arrays.asList("getName",
+        assertTrue(actualMethods.containsAll(Arrays.asList("getName", "setName", "getSound")));
-          "setName", "getSound")));
     }
 
     @Test
-    public void givenClass_whenGetsAllConstructors_thenCorrect()
+    public void givenClass_whenGetsAllConstructors_thenCorrect() throws ClassNotFoundException {
-      throws ClassNotFoundException {
         Class<?> birdClass = Class.forName("com.baeldung.java.reflection.Bird");
         Constructor<?>[] constructors = birdClass.getConstructors();
 
@@ -137,24 +128,20 @@ public class ReflectionTest {
     }
 
     @Test
-    public void givenClass_whenGetsEachConstructorByParamTypes_thenCorrect()
+    public void givenClass_whenGetsEachConstructorByParamTypes_thenCorrect() throws Exception {
-      throws Exception {
         Class<?> birdClass = Class.forName("com.baeldung.java.reflection.Bird");
         Constructor<?> cons1 = birdClass.getConstructor();
         Constructor<?> cons2 = birdClass.getConstructor(String.class);
-        Constructor<?> cons3 = birdClass.getConstructor(String.class,
+        Constructor<?> cons3 = birdClass.getConstructor(String.class, boolean.class);
-          boolean.class);
     }
 
     @Test
-    public void givenClass_whenInstantiatesObjectsAtRuntime_thenCorrect()
+    public void givenClass_whenInstantiatesObjectsAtRuntime_thenCorrect() throws Exception {
-      throws Exception {
         Class<?> birdClass = Class.forName("com.baeldung.java.reflection.Bird");
 
         Constructor<?> cons1 = birdClass.getConstructor();
         Constructor<?> cons2 = birdClass.getConstructor(String.class);
-        Constructor<?> cons3 = birdClass.getConstructor(String.class,
+        Constructor<?> cons3 = birdClass.getConstructor(String.class, boolean.class);
-          boolean.class);
 
         Bird bird1 = (Bird) cons1.newInstance();
         Bird bird2 = (Bird) cons2.newInstance("Weaver bird");
@@ -168,8 +155,7 @@ public class ReflectionTest {
     }
 
     @Test
-    public void givenClass_whenGetsPublicFields_thenCorrect()
+    public void givenClass_whenGetsPublicFields_thenCorrect() throws ClassNotFoundException {
-      throws ClassNotFoundException {
         Class<?> birdClass = Class.forName("com.baeldung.java.reflection.Bird");
         Field[] fields = birdClass.getFields();
         assertEquals(1, fields.length);
@@ -178,8 +164,7 @@ public class ReflectionTest {
     }
 
     @Test
-    public void givenClass_whenGetsPublicFieldByName_thenCorrect()
+    public void givenClass_whenGetsPublicFieldByName_thenCorrect() throws Exception {
-      throws Exception {
         Class<?> birdClass = Class.forName("com.baeldung.java.reflection.Bird");
         Field field = birdClass.getField("CATEGORY");
         assertEquals("CATEGORY", field.getName());
@@ -187,8 +172,7 @@ public class ReflectionTest {
     }
 
     @Test
-    public void givenClass_whenGetsDeclaredFields_thenCorrect()
+    public void givenClass_whenGetsDeclaredFields_thenCorrect() throws ClassNotFoundException {
-      throws ClassNotFoundException {
         Class<?> birdClass = Class.forName("com.baeldung.java.reflection.Bird");
         Field[] fields = birdClass.getDeclaredFields();
         assertEquals(1, fields.length);
@@ -196,8 +180,7 @@ public class ReflectionTest {
     }
 
     @Test
-    public void givenClass_whenGetsFieldsByName_thenCorrect()
+    public void givenClass_whenGetsFieldsByName_thenCorrect() throws Exception {
-      throws Exception {
         Class<?> birdClass = Class.forName("com.baeldung.java.reflection.Bird");
         Field field = birdClass.getDeclaredField("walks");
         assertEquals("walks", field.getName());
@@ -205,17 +188,14 @@ public class ReflectionTest {
     }
 
     @Test
-    public void givenClassField_whenGetsType_thenCorrect()
+    public void givenClassField_whenGetsType_thenCorrect() throws Exception {
-      throws Exception {
+        Field field = Class.forName("com.baeldung.java.reflection.Bird").getDeclaredField("walks");
-        Field field = Class.forName("com.baeldung.java.reflection.Bird")
-          .getDeclaredField("walks");
         Class<?> fieldClass = field.getType();
         assertEquals("boolean", fieldClass.getSimpleName());
     }
 
     @Test
-    public void givenClassField_whenSetsAndGetsValue_thenCorrect()
+    public void givenClassField_whenSetsAndGetsValue_thenCorrect() throws Exception {
-      throws Exception {
         Class<?> birdClass = Class.forName("com.baeldung.java.reflection.Bird");
         Bird bird = (Bird) birdClass.newInstance();
         Field field = birdClass.getDeclaredField("walks");
@@ -232,8 +212,7 @@ public class ReflectionTest {
     }
 
     @Test
-    public void givenClassField_whenGetsAndSetsWithNull_thenCorrect()
+    public void givenClassField_whenGetsAndSetsWithNull_thenCorrect() throws Exception {
-      throws Exception {
         Class<?> birdClass = Class.forName("com.baeldung.java.reflection.Bird");
         Field field = birdClass.getField("CATEGORY");
         field.setAccessible(true);
@@ -242,21 +221,17 @@ public class ReflectionTest {
     }
 
     @Test
-    public void givenClass_whenGetsAllPublicMethods_thenCorrect()
+    public void givenClass_whenGetsAllPublicMethods_thenCorrect() throws ClassNotFoundException {
-      throws ClassNotFoundException {
         Class<?> birdClass = Class.forName("com.baeldung.java.reflection.Bird");
         Method[] methods = birdClass.getMethods();
         List<String> methodNames = getMethodNames(methods);
 
-        assertTrue(methodNames.containsAll(Arrays
+        assertTrue(methodNames.containsAll(Arrays.asList("equals", "notifyAll", "hashCode", "walks", "eats", "toString")));
-          .asList("equals", "notifyAll", "hashCode",
-            "walks", "eats", "toString")));
 
     }
 
     @Test
-    public void givenClass_whenGetsOnlyDeclaredMethods_thenCorrect()
+    public void givenClass_whenGetsOnlyDeclaredMethods_thenCorrect() throws ClassNotFoundException {
-      throws ClassNotFoundException {
         Class<?> birdClass = Class.forName("com.baeldung.java.reflection.Bird");
         List<String> actualMethodNames = getMethodNames(birdClass.getDeclaredMethods());
 
@@ -269,12 +244,10 @@ public class ReflectionTest {
     }
 
     @Test
-    public void givenMethodName_whenGetsMethod_thenCorrect()
+    public void givenMethodName_whenGetsMethod_thenCorrect() throws Exception {
-      throws Exception {
         Class<?> birdClass = Class.forName("com.baeldung.java.reflection.Bird");
         Method walksMethod = birdClass.getDeclaredMethod("walks");
-        Method setWalksMethod = birdClass.getDeclaredMethod("setWalks",
+        Method setWalksMethod = birdClass.getDeclaredMethod("setWalks", boolean.class);
-          boolean.class);
 
         assertFalse(walksMethod.isAccessible());
         assertFalse(setWalksMethod.isAccessible());
@@ -288,12 +261,10 @@ public class ReflectionTest {
     }
 
     @Test
-    public void givenMethod_whenInvokes_thenCorrect()
+    public void givenMethod_whenInvokes_thenCorrect() throws Exception {
-      throws Exception {
         Class<?> birdClass = Class.forName("com.baeldung.java.reflection.Bird");
         Bird bird = (Bird) birdClass.newInstance();
-        Method setWalksMethod = birdClass.getDeclaredMethod("setWalks",
+        Method setWalksMethod = birdClass.getDeclaredMethod("setWalks", boolean.class);
-          boolean.class);
         Method walksMethod = birdClass.getDeclaredMethod("walks");
         boolean walks = (boolean) walksMethod.invoke(bird);
 

core-java/src/test/java/com/baeldung/java/regex/RegexUnitTest.java

@@ -7,7 +7,7 @@ import java.util.regex.Pattern;
 
 import org.junit.Test;
 
-public class RegexTest {
+public class RegexUnitTest {
     private static Pattern pattern;
     private static Matcher matcher;
 
@@ -499,4 +499,3 @@ public class RegexTest {
         return matches;
     }
 }
-

core-java/src/test/java/com/baeldung/printscreen/ScreenshotIntegrationTest.java

@@ -7,8 +7,7 @@ import java.io.File;
 
 import static org.junit.Assert.assertTrue;
 
-
+public class ScreenshotIntegrationTest {
-public class ScreenshotTest {
 
     private Screenshot screenshot = new Screenshot("Screenshot.jpg");
     private File file = new File("Screenshot.jpg");

core-java/src/test/java/com/baeldung/socket/GreetServerIntegrationTest.java

@@ -9,7 +9,7 @@ import java.util.concurrent.Executors;
 
 import static org.junit.Assert.assertEquals;
 
-public class GreetServerTest {
+public class GreetServerIntegrationTest {
 
     private GreetClient client;
 

core-java/src/test/java/org/baeldung/equalshashcode/entities/PrimitiveClassUnitTest.java

@@ -3,7 +3,7 @@ package org.baeldung.equalshashcode.entities;
 import org.junit.Assert;
 import org.junit.Test;
 
-public class PrimitiveClassTest {
+public class PrimitiveClassUnitTest {
 
     @Test
     public void testTwoEqualsObjects() {

core-java/src/test/java/org/baeldung/equalshashcode/entities/SquareClassUnitTest.java

@@ -5,11 +5,10 @@ import java.awt.Color;
 import org.junit.Assert;
 import org.junit.Test;
 
-public class SquareClassTest {
+public class SquareClassUnitTest {
 
     @Test
     public void testEqualsAndHashcodes() {
-
         Square aObject = new Square(10, Color.BLUE);
         Square bObject = new Square(10, Color.BLUE);
 

core-java/src/test/java/org/baeldung/java/JavaIoUnitTest.java

@@ -14,7 +14,7 @@ import org.slf4j.LoggerFactory;
 import com.google.common.base.Charsets;
 import com.google.common.io.Files;
 
-public class JavaIoIntegrationTest {
+public class JavaIoUnitTest {
     protected final Logger logger = LoggerFactory.getLogger(getClass());
 
     // tests - iterate lines in a file

core-java/src/test/java/org/baeldung/java/JavaTimerLongRunningUnitTest.java

@@ -9,7 +9,7 @@ import java.util.concurrent.TimeUnit;
 
 import org.junit.Test;
 
-public class JavaTimerUnitTest {
+public class JavaTimerLongRunningUnitTest {
 
     // tests
 

core-java/src/test/java/org/baeldung/java/arrays/ArraysJoinAndSplitJUnitTest.java

@@ -25,12 +25,9 @@ public class ArraysJoinAndSplitJUnitTest {
 
         System.arraycopy(vegetables, 0, toppings, AddedSoFar, vegetables.length);
 
-        Assert.assertArrayEquals(toppings,
+        Assert.assertArrayEquals(toppings, new String[] { "Marinara", "Olive Oil", "Mozzarella", "Feta", "Parmesan", "Olives", "Spinach", "Green Peppers" });
-          new String[]{"Marinara", "Olive Oil", "Mozzarella", "Feta",
-            "Parmesan", "Olives", "Spinach", "Green Peppers"});
     }
 
-
     @Test
     public void givenOneStringArray_whenSplittingInHalfTwoStringArrays_shouldSucceed() {
         int ordersHalved = (customers.length / 2) + (customers.length % 2);

core-java/src/test/java/org/baeldung/java/collections/ArrayListTest.java

@@ -18,10 +18,7 @@ public class ArrayListTest {
 
     @Before
     public void setUp() {
-        List<String> list = LongStream.range(0, 16)
+        List<String> list = LongStream.range(0, 16).boxed().map(Long::toHexString).collect(toCollection(ArrayList::new));
-          .boxed()
-          .map(Long::toHexString)
-          .collect(toCollection(ArrayList::new));
         stringsToSearch = new ArrayList<>(list);
         stringsToSearch.addAll(list);
     }
@@ -34,8 +31,7 @@ public class ArrayListTest {
 
     @Test
     public void givenCollection_whenProvideItToArrayListCtor_thenArrayListIsPopulatedWithItsElements() {
-        Collection<Integer> numbers =
+        Collection<Integer> numbers = IntStream.range(0, 10).boxed().collect(toSet());
-          IntStream.range(0, 10).boxed().collect(toSet());
 
         List<Integer> list = new ArrayList<>(numbers);
         assertEquals(10, list.size());
@@ -56,8 +52,7 @@ public class ArrayListTest {
     @Test
     public void givenCollection_whenAddToArrayList_thenIsAdded() {
         List<Long> list = new ArrayList<>(Arrays.asList(1L, 2L, 3L));
-        LongStream.range(4, 10).boxed()
+        LongStream.range(4, 10).boxed().collect(collectingAndThen(toCollection(ArrayList::new), ys -> list.addAll(0, ys)));
-          .collect(collectingAndThen(toCollection(ArrayList::new), ys -> list.addAll(0, ys)));
 
         assertThat(Arrays.asList(4L, 5L, 6L, 7L, 8L, 9L, 1L, 2L, 3L), equalTo(list));
     }
@@ -88,10 +83,7 @@ public class ArrayListTest {
     public void givenPredicate_whenIterateArrayList_thenFindAllElementsSatisfyingPredicate() {
         Set<String> matchingStrings = new HashSet<>(Arrays.asList("a", "c", "9"));
 
-        List<String> result = stringsToSearch
+        List<String> result = stringsToSearch.stream().filter(matchingStrings::contains).collect(toCollection(ArrayList::new));
-          .stream()
-          .filter(matchingStrings::contains)
-          .collect(toCollection(ArrayList::new));
 
         assertEquals(6, result.size());
     }
@@ -131,8 +123,7 @@ public class ArrayListTest {
 
     @Test
     public void givenCondition_whenIterateArrayList_thenRemoveAllElementsSatisfyingCondition() {
-        Set<String> matchingStrings
+        Set<String> matchingStrings = Sets.newHashSet("a", "b", "c", "d", "e", "f");
-          = Sets.newHashSet("a", "b", "c", "d", "e", "f");
 
         Iterator<String> it = stringsToSearch.iterator();
         while (it.hasNext()) {

core-java/src/test/java/org/baeldung/java/enums/PizzaUnitTest.java

@@ -1,21 +1,21 @@
 package org.baeldung.java.enums;
 
-
+import static junit.framework.TestCase.assertTrue;
-import com.baeldung.enums.Pizza;
-import org.junit.Test;
 
 import java.util.ArrayList;
 import java.util.EnumMap;
 import java.util.List;
 
-import static junit.framework.TestCase.assertTrue;
+import org.junit.Test;
 
+import com.baeldung.enums.Pizza;
+
+public class PizzaUnitTest {
 
-public class PizzaTest {
     @Test
     public void givenPizaOrder_whenReady_thenDeliverable() {
         Pizza testPz = new Pizza();
-        testPz.setStatus(Pizza.PizzaStatus.READY);
+        testPz.setStatus(Pizza.PizzaStatusEnum.READY);
         assertTrue(testPz.isDeliverable());
     }
 
@@ -23,16 +23,16 @@ public class PizzaTest {
     public void givenPizaOrders_whenRetrievingUnDeliveredPzs_thenCorrectlyRetrieved() {
         List<Pizza> pzList = new ArrayList<>();
         Pizza pz1 = new Pizza();
-        pz1.setStatus(Pizza.PizzaStatus.DELIVERED);
+        pz1.setStatus(Pizza.PizzaStatusEnum.DELIVERED);
 
         Pizza pz2 = new Pizza();
-        pz2.setStatus(Pizza.PizzaStatus.ORDERED);
+        pz2.setStatus(Pizza.PizzaStatusEnum.ORDERED);
 
         Pizza pz3 = new Pizza();
-        pz3.setStatus(Pizza.PizzaStatus.ORDERED);
+        pz3.setStatus(Pizza.PizzaStatusEnum.ORDERED);
 
         Pizza pz4 = new Pizza();
-        pz4.setStatus(Pizza.PizzaStatus.READY);
+        pz4.setStatus(Pizza.PizzaStatusEnum.READY);
 
         pzList.add(pz1);
         pzList.add(pz2);
@@ -48,33 +48,34 @@ public class PizzaTest {
 
         List<Pizza> pzList = new ArrayList<>();
         Pizza pz1 = new Pizza();
-        pz1.setStatus(Pizza.PizzaStatus.DELIVERED);
+        pz1.setStatus(Pizza.PizzaStatusEnum.DELIVERED);
 
         Pizza pz2 = new Pizza();
-        pz2.setStatus(Pizza.PizzaStatus.ORDERED);
+        pz2.setStatus(Pizza.PizzaStatusEnum.ORDERED);
 
         Pizza pz3 = new Pizza();
-        pz3.setStatus(Pizza.PizzaStatus.ORDERED);
+        pz3.setStatus(Pizza.PizzaStatusEnum.ORDERED);
 
         Pizza pz4 = new Pizza();
-        pz4.setStatus(Pizza.PizzaStatus.READY);
+        pz4.setStatus(Pizza.PizzaStatusEnum.READY);
 
         pzList.add(pz1);
         pzList.add(pz2);
         pzList.add(pz3);
         pzList.add(pz4);
 
-        EnumMap<Pizza.PizzaStatus, List<Pizza>> map = Pizza.groupPizzaByStatus(pzList);
+        EnumMap<Pizza.PizzaStatusEnum, List<Pizza>> map = Pizza.groupPizzaByStatus(pzList);
-        assertTrue(map.get(Pizza.PizzaStatus.DELIVERED).size() == 1);
+        assertTrue(map.get(Pizza.PizzaStatusEnum.DELIVERED).size() == 1);
-        assertTrue(map.get(Pizza.PizzaStatus.ORDERED).size() == 2);
+        assertTrue(map.get(Pizza.PizzaStatusEnum.ORDERED).size() == 2);
-        assertTrue(map.get(Pizza.PizzaStatus.READY).size() == 1);
+        assertTrue(map.get(Pizza.PizzaStatusEnum.READY).size() == 1);
     }
 
     @Test
     public void givenPizaOrder_whenDelivered_thenPizzaGetsDeliveredAndStatusChanges() {
         Pizza pz = new Pizza();
-        pz.setStatus(Pizza.PizzaStatus.READY);
+        pz.setStatus(Pizza.PizzaStatusEnum.READY);
         pz.deliver();
-        assertTrue(pz.getStatus() == Pizza.PizzaStatus.DELIVERED);
+        assertTrue(pz.getStatus() == Pizza.PizzaStatusEnum.DELIVERED);
     }
+    
 }

core-java/src/test/java/org/baeldung/java/io/JavaFileUnitTest.java

@@ -13,7 +13,7 @@ import java.nio.file.Paths;
 import org.apache.commons.io.FileUtils;
 import org.junit.Test;
 
-public class JavaFileIntegrationTest {
+public class JavaFileUnitTest {
 
     // create a file
 

core-java/src/test/java/org/baeldung/java/io/JavaReadFromFileUnitTest.java

@@ -23,7 +23,7 @@ import java.util.Scanner;
 
 import org.junit.Test;
 
-public class JavaReadFromFileTest {
+public class JavaReadFromFileUnitTest {
 
     @Test
     public void whenReadWithBufferedReader_thenCorrect() throws IOException {
@@ -111,7 +111,7 @@ public class JavaReadFromFileTest {
 
     @Test
     public void whenReadUTFEncodedFile_thenCorrect() throws IOException {
-        final String expected_value = "青空";
+        final String expected_value = "�空";
         final BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream("src/test/resources/test_read7.in"), "UTF-8"));
         final String currentLine = reader.readLine();
         reader.close();

core-java/src/test/java/org/baeldung/java/io/JavaScannerUnitTest.java

@@ -15,7 +15,7 @@ import java.util.Scanner;
 
 import org.junit.Test;
 
-public class JavaScannerTest {
+public class JavaScannerUnitTest {
 
     @Test
     public void whenReadFileWithScanner_thenCorrect() throws IOException {

core-java/src/test/java/org/baeldung/java/io/JavaWriteToFileUnitTest.java

@@ -26,7 +26,7 @@ import java.nio.file.Paths;
 
 import org.junit.Test;
 
-public class JavaWriteToFileTest {
+public class JavaWriteToFileUnitTest {
 
     private String fileName = "src/test/resources/test_write.txt";
     private String fileName1 = "src/test/resources/test_write_1.txt";

core-java/src/test/java/org/baeldung/java/lists/ListAssertJUnitTest.java

@@ -7,7 +7,7 @@ import java.util.List;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-public class ListAssertJTest {
+public class ListAssertJUnitTest {
 
     private final List<String> list1 = Arrays.asList("1", "2", "3", "4");
     private final List<String> list2 = Arrays.asList("1", "2", "3", "4");
@@ -15,9 +15,7 @@ public class ListAssertJTest {
 
     @Test
     public void whenTestingForEquality_ShouldBeEqual() throws Exception {
-        assertThat(list1)
+        assertThat(list1).isEqualTo(list2).isNotEqualTo(list3);
-          .isEqualTo(list2)
-          .isNotEqualTo(list3);
 
         assertThat(list1.equals(list2)).isTrue();
         assertThat(list1.equals(list3)).isFalse();

core-java/src/test/java/org/baeldung/java/lists/ListTestNgUnitTest.java

@@ -6,7 +6,7 @@ import org.testng.annotations.Test;
 import java.util.Arrays;
 import java.util.List;
 
-public class ListTestNGTest {
+public class ListTestNgUnitTest {
 
     private final List<String> list1 = Arrays.asList("1", "2", "3", "4");
     private final List<String> list2 = Arrays.asList("1", "2", "3", "4");

core-java/src/test/java/org/baeldung/java/md5/JavaMD5UnitTest.java

@@ -1,9 +1,10 @@
 package org.baeldung.java.md5;
 
-import static org.junit.Assert.*;
+import static org.assertj.core.api.Assertions.assertThat;
 
+import java.io.File;
+import java.io.IOException;
 import java.nio.file.Files;
-import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
@@ -11,20 +12,12 @@ import java.security.NoSuchAlgorithmException;
 import javax.xml.bind.DatatypeConverter;
 
 import org.apache.commons.codec.digest.DigestUtils;
-import org.junit.Before;
 import org.junit.Test;
 
 import com.google.common.hash.HashCode;
 import com.google.common.hash.Hashing;
 
-import java.io.File;
+public class JavaMD5UnitTest {
-import java.io.IOException;
-import java.nio.*;
-import static org.assertj.core.api.Assertions.assertThat;
-
-
-public class JavaMD5Test {
-
 
     String filename = "src/test/resources/test_md5.txt";
     String checksum = "5EB63BBBE01EEED093CB22BB8F5ACDC3";
@@ -32,8 +25,6 @@ public class JavaMD5Test {
     String hash = "35454B055CC325EA1AF2126E27707052";
     String password = "ILoveJava";
 
-    
-    
     @Test
     public void givenPassword_whenHashing_thenVerifying() throws NoSuchAlgorithmException {
         String hash = "35454B055CC325EA1AF2126E27707052";
@@ -55,8 +46,7 @@ public class JavaMD5Test {
         MessageDigest md = MessageDigest.getInstance("MD5");
         md.update(Files.readAllBytes(Paths.get(filename)));
         byte[] digest = md.digest();
-        String myChecksum = DatatypeConverter
+        String myChecksum = DatatypeConverter.printHexBinary(digest).toUpperCase();
-            .printHexBinary(digest).toUpperCase();
 
         assertThat(myChecksum.equals(checksum)).isTrue();
     }
@@ -66,25 +56,20 @@ public class JavaMD5Test {
         String hash = "35454B055CC325EA1AF2126E27707052";
         String password = "ILoveJava";
 
-        String md5Hex = DigestUtils
+        String md5Hex = DigestUtils.md5Hex(password).toUpperCase();
-            .md5Hex(password).toUpperCase();
 
         assertThat(md5Hex.equals(hash)).isTrue();
     }
 
-    
     @Test
     public void givenFile_whenChecksumUsingGuava_thenVerifying() throws IOException {
         String filename = "src/test/resources/test_md5.txt";
         String checksum = "5EB63BBBE01EEED093CB22BB8F5ACDC3";
 
-        HashCode hash = com.google.common.io.Files
+        HashCode hash = com.google.common.io.Files.hash(new File(filename), Hashing.md5());
-            .hash(new File(filename), Hashing.md5());
+        String myChecksum = hash.toString().toUpperCase();
-        String myChecksum = hash.toString()
-            .toUpperCase();
 
         assertThat(myChecksum.equals(checksum)).isTrue();
     }
 
-
 }

core-java/src/test/java/org/baeldung/java/sandbox/SandboxJavaManualTest.java

@@ -6,7 +6,7 @@ import java.util.TimerTask;
 
 import org.junit.Test;
 
-public class SandboxJavaTest {
+public class SandboxJavaManualTest {
 
     @Test
     public void givenUsingTimer_whenSchedulingTimerTaskOnce_thenCorrect() throws InterruptedException {

jpa-storedprocedure/pom.xml

@@ -11,6 +11,7 @@
         <jee.version>7.0</jee.version>
         <hibernate.version>5.1.0.Final</hibernate.version>
         <mysql.version>5.1.38</mysql.version>
+        <maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>        
     </properties>
 
     <build>
@@ -33,6 +34,16 @@
                     </descriptorRefs>
                 </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <version>${maven-surefire-plugin.version}</version>
+                <configuration>
+                    <excludes>
+                        <exclude>**/*IntegrationTest.java</exclude>
+                    </excludes>
+                </configuration>
+            </plugin>            
         </plugins>
     </build>
 

jpa-storedprocedure/src/test/java/com/baeldung/jpa/storedprocedure/StoredProcedureIntegrationTest.java

@@ -15,7 +15,7 @@ import org.junit.Test;
 
 import com.baeldung.jpa.model.Car;
 
-public class StoredProcedureTest {
+public class StoredProcedureIntegrationTest {
 
     private static EntityManagerFactory factory = null;
     private static EntityManager entityManager = null;

play-framework/student-api/test/ApplicationTest.java

@@ -0,0 +1,172 @@
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import java.io.BufferedReader;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.Arrays;
+
+import org.json.JSONArray;
+import org.json.JSONObject;
+import org.junit.Before;
+import org.junit.Test;
+import model.Student;
+import play.test.*;
+import static play.test.Helpers.*;
+
+public class ApplicationTest{
+    private static final String BASE_URL = "http://localhost:9000";
+
+	@Test
+public void testInServer() throws Exception {
+    TestServer server = testServer(3333);
+    running(server, () -> {
+        try {
+            WSClient ws = play.libs.ws.WS.newClient(3333);
+            CompletionStage<WSResponse> completionStage = ws.url("/").get();
+            WSResponse response = completionStage.toCompletableFuture().get();
+            ws.close();
+            assertEquals(OK, response.getStatus());
+        } catch (Exception e) {
+            logger.error(e.getMessage(), e);
+        }
+    });
+}
+    @Test
+    public void whenCreatesRecord_thenCorrect() {
+        Student student = new Student("jody", "west", 50);
+        JSONObject obj = new JSONObject(makeRequest(BASE_URL, "POST", new JSONObject(student)));
+        assertTrue(obj.getBoolean("isSuccessfull"));
+        JSONObject body = obj.getJSONObject("body");
+        assertEquals(student.getAge(), body.getInt("age"));
+        assertEquals(student.getFirstName(), body.getString("firstName"));
+        assertEquals(student.getLastName(), body.getString("lastName"));
+    }
+
+    @Test
+    public void whenDeletesCreatedRecord_thenCorrect() {
+        Student student = new Student("Usain", "Bolt", 25);
+        JSONObject ob1 = new JSONObject(makeRequest(BASE_URL, "POST", new JSONObject(student))).getJSONObject("body");
+        int id = ob1.getInt("id");
+        JSONObject obj1 = new JSONObject(makeRequest(BASE_URL + "/" + id, "POST", new JSONObject()));
+        assertTrue(obj1.getBoolean("isSuccessfull"));
+        makeRequest(BASE_URL + "/" + id, "DELETE", null);
+        JSONObject obj2 = new JSONObject(makeRequest(BASE_URL + "/" + id, "POST", new JSONObject()));
+        assertFalse(obj2.getBoolean("isSuccessfull"));
+    }
+
+    @Test
+    public void whenUpdatesCreatedRecord_thenCorrect() {
+        Student student = new Student("john", "doe", 50);
+        JSONObject body1 = new JSONObject(makeRequest(BASE_URL, "POST", new JSONObject(student))).getJSONObject("body");
+        assertEquals(student.getAge(), body1.getInt("age"));
+        int newAge = 60;
+        body1.put("age", newAge);
+        JSONObject body2 = new JSONObject(makeRequest(BASE_URL, "PUT", body1)).getJSONObject("body");
+        assertFalse(student.getAge() == body2.getInt("age"));
+        assertTrue(newAge == body2.getInt("age"));
+    }
+
+    @Test
+    public void whenGetsAllRecords_thenCorrect() {
+        Student student1 = new Student("jane", "daisy", 50);
+        Student student2 = new Student("john", "daniel", 60);
+        Student student3 = new Student("don", "mason", 55);
+        Student student4 = new Student("scarlet", "ohara", 90);
+
+        makeRequest(BASE_URL, "POST", new JSONObject(student1));
+        makeRequest(BASE_URL, "POST", new JSONObject(student2));
+        makeRequest(BASE_URL, "POST", new JSONObject(student3));
+        makeRequest(BASE_URL, "POST", new JSONObject(student4));
+
+        JSONObject objects = new JSONObject(makeRequest(BASE_URL, "GET", null));
+        assertTrue(objects.getBoolean("isSuccessfull"));
+        JSONArray array = objects.getJSONArray("body");
+        assertTrue(array.length() >= 4);
+    }
+
+    public static String makeRequest(String myUrl, String httpMethod, JSONObject parameters) {
+
+        URL url = null;
+        try {
+            url = new URL(myUrl);
+        } catch (MalformedURLException e) {
+            e.printStackTrace();
+        }
+        HttpURLConnection conn = null;
+        try {
+
+            conn = (HttpURLConnection) url.openConnection();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        conn.setDoInput(true);
+
+        conn.setReadTimeout(10000);
+
+        conn.setRequestProperty("Content-Type", "application/json");
+        DataOutputStream dos = null;
+        int respCode = 0;
+        String inputString = null;
+        try {
+            conn.setRequestMethod(httpMethod);
+
+            if (Arrays.asList("POST", "PUT").contains(httpMethod)) {
+                String params = parameters.toString();
+
+                conn.setDoOutput(true);
+
+                dos = new DataOutputStream(conn.getOutputStream());
+                dos.writeBytes(params);
+                dos.flush();
+                dos.close();
+            }
+            respCode = conn.getResponseCode();
+            if (respCode != 200 && respCode != 201) {
+                String error = inputStreamToString(conn.getErrorStream());
+                return error;
+            }
+            inputString = inputStreamToString(conn.getInputStream());
+
+        } catch (IOException e) {
+
+            e.printStackTrace();
+        }
+        return inputString;
+    }
+
+    public static String inputStreamToString(InputStream is) {
+        BufferedReader br = null;
+        StringBuilder sb = new StringBuilder();
+
+        String line;
+        try {
+
+            br = new BufferedReader(new InputStreamReader(is));
+            while ((line = br.readLine()) != null) {
+                sb.append(line);
+            }
+
+        } catch (IOException e) {
+            e.printStackTrace();
+        } finally {
+            if (br != null) {
+                try {
+                    br.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+
+        return sb.toString();
+
+    }
+}

pom.xml

@@ -58,7 +58,7 @@
 
         <module>mockito</module>
         <module>mocks</module>
-        <module>mutation-testing</module>
+        <module>testing</module>
 
         <module>orika</module>
 

resteasy/pom.xml

@@ -10,6 +10,8 @@
 
 	<properties>
 		<resteasy.version>3.0.14.Final</resteasy.version>
+        <maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>
+        <cargo-maven2-plugin.version>1.6.0</cargo-maven2-plugin.version>        		
 	</properties>
 
 	<build>
@@ -23,6 +25,35 @@
 					<target>1.8</target>
 				</configuration>
 			</plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <version>${maven-surefire-plugin.version}</version>                
+                <configuration>
+                    <excludes>
+                        <exclude>**/*IntegrationTest.java</exclude>
+                        <exclude>**/*LiveTest.java</exclude>
+                    </excludes>
+                </configuration>
+            </plugin>
+
+            <plugin>
+                <groupId>org.codehaus.cargo</groupId>
+                <artifactId>cargo-maven2-plugin</artifactId>
+                <version>${cargo-maven2-plugin.version}</version>
+                <configuration>
+                    <wait>true</wait>
+                    <container>
+                        <containerId>jetty8x</containerId>
+                        <type>embedded</type>
+                    </container>
+                    <configuration>
+                        <properties>
+                            <cargo.servlet.port>8082</cargo.servlet.port>
+                        </properties>
+                    </configuration>
+                </configuration>
+            </plugin>			
 		</plugins>
 	</build>
 
@@ -73,5 +104,66 @@
 
 	</dependencies>
 
+    <profiles>
+        <profile>
+            <id>live</id>
+            <build>
+
+                <plugins>
+
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-surefire-plugin</artifactId>
+                        <executions>
+                            <execution>
+                                <phase>integration-test</phase>
+                                <goals>
+                                    <goal>test</goal>
+                                </goals>
+                                <configuration>
+                                    <excludes>
+                                        <exclude>**/*IntegrationTest.java</exclude>
+                                    </excludes>
+                                    <includes>
+                                        <include>**/*LiveTest.java</include>
+                                    </includes>
+                                </configuration>
+                            </execution>
+                        </executions>
+                        <configuration>
+                            <systemPropertyVariables>
+                                <test.mime>json</test.mime>
+                            </systemPropertyVariables>
+                        </configuration>
+                    </plugin>
+                    <plugin>
+                        <groupId>org.codehaus.cargo</groupId>
+                        <artifactId>cargo-maven2-plugin</artifactId>
+                        <version>${cargo-maven2-plugin.version}</version>                        
+                        <configuration>
+                            <wait>false</wait>
+                        </configuration>
+                        <executions>
+                            <execution>
+                                <id>start-server</id>
+                                <phase>pre-integration-test</phase>
+                                <goals>
+                                    <goal>start</goal>
+                                </goals>
+                            </execution>
+                            <execution>
+                                <id>stop-server</id>
+                                <phase>post-integration-test</phase>
+                                <goals>
+                                    <goal>stop</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+                </plugins>
+
+            </build>
+        </profile>
+    </profiles>
     
 </project>

resteasy/src/test/java/com/baeldung/server/RestEasyClientLiveTest.java

@@ -1,7 +1,15 @@
 package com.baeldung.server;
 
-import com.baeldung.client.ServicesInterface;
+import java.io.InputStream;
-import com.baeldung.model.Movie;
+import java.nio.charset.StandardCharsets;
+import java.text.SimpleDateFormat;
+import java.util.List;
+import java.util.Locale;
+
+import javax.naming.NamingException;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.UriBuilder;
+
 import org.apache.commons.io.IOUtils;
 import org.apache.http.impl.client.CloseableHttpClient;
 import org.apache.http.impl.client.HttpClients;
@@ -14,18 +22,13 @@ import org.jboss.resteasy.client.jaxrs.ResteasyWebTarget;
 import org.jboss.resteasy.client.jaxrs.engines.ApacheHttpClient4Engine;
 import org.junit.Before;
 import org.junit.Test;
-import javax.naming.NamingException;
-import javax.ws.rs.core.Response;
-import javax.ws.rs.core.UriBuilder;
-import java.io.InputStream;
-import java.nio.charset.StandardCharsets;
-import java.text.SimpleDateFormat;
-import java.util.List;
-import java.util.Locale;
 
-public class RestEasyClientTest {
+import com.baeldung.client.ServicesInterface;
+import com.baeldung.model.Movie;
 
-    public static final UriBuilder FULL_PATH = UriBuilder.fromPath("http://127.0.0.1:8080/RestEasyTutorial/rest");
+public class RestEasyClientLiveTest {
+
+    public static final UriBuilder FULL_PATH = UriBuilder.fromPath("http://127.0.0.1:8082/RestEasyTutorial/rest");
     Movie transformerMovie = null;
     Movie batmanMovie = null;
     ObjectMapper jsonMapper = null;
@@ -35,22 +38,22 @@ public class RestEasyClientTest {
 
         jsonMapper = new ObjectMapper().configure(DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES, false);
         jsonMapper.configure(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY, true);
-        SimpleDateFormat sdf = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss zzz", Locale.ENGLISH);
+        final SimpleDateFormat sdf = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss zzz", Locale.ENGLISH);
         jsonMapper.setDateFormat(sdf);
 
-        try (InputStream inputStream = new RestEasyClientTest().getClass().getResourceAsStream("./movies/transformer.json")) {
+        try (InputStream inputStream = new RestEasyClientLiveTest().getClass().getResourceAsStream("./movies/transformer.json")) {
-            String transformerMovieAsString = String.format(IOUtils.toString(inputStream, StandardCharsets.UTF_8));
+            final String transformerMovieAsString = String.format(IOUtils.toString(inputStream, StandardCharsets.UTF_8));
             transformerMovie = jsonMapper.readValue(transformerMovieAsString, Movie.class);
-        } catch (Exception e) {
+        } catch (final Exception e) {
             e.printStackTrace();
             throw new RuntimeException("Test is going to die ...", e);
         }
 
-        try (InputStream inputStream = new RestEasyClientTest().getClass().getResourceAsStream("./movies/batman.json")) {
+        try (InputStream inputStream = new RestEasyClientLiveTest().getClass().getResourceAsStream("./movies/batman.json")) {
-            String batmanMovieAsString = String.format(IOUtils.toString(inputStream, StandardCharsets.UTF_8));
+            final String batmanMovieAsString = String.format(IOUtils.toString(inputStream, StandardCharsets.UTF_8));
             batmanMovie = jsonMapper.readValue(batmanMovieAsString, Movie.class);
 
-        } catch (Exception e) {
+        } catch (final Exception e) {
             throw new RuntimeException("Test is going to die ...", e);
         }
     }
@@ -58,41 +61,41 @@ public class RestEasyClientTest {
     @Test
     public void testListAllMovies() {
 
-        ResteasyClient client = new ResteasyClientBuilder().build();
+        final ResteasyClient client = new ResteasyClientBuilder().build();
-        ResteasyWebTarget target = client.target(FULL_PATH);
+        final ResteasyWebTarget target = client.target(FULL_PATH);
-        ServicesInterface proxy = target.proxy(ServicesInterface.class);
+        final ServicesInterface proxy = target.proxy(ServicesInterface.class);
 
         Response moviesResponse = proxy.addMovie(transformerMovie);
         moviesResponse.close();
         moviesResponse = proxy.addMovie(batmanMovie);
         moviesResponse.close();
 
-        List<Movie> movies = proxy.listMovies();
+        final List<Movie> movies = proxy.listMovies();
         System.out.println(movies);
     }
 
     @Test
     public void testMovieByImdbId() {
 
-        String transformerImdbId = "tt0418279";
+        final String transformerImdbId = "tt0418279";
 
-        ResteasyClient client = new ResteasyClientBuilder().build();
+        final ResteasyClient client = new ResteasyClientBuilder().build();
-        ResteasyWebTarget target = client.target(FULL_PATH);
+        final ResteasyWebTarget target = client.target(FULL_PATH);
-        ServicesInterface proxy = target.proxy(ServicesInterface.class);
+        final ServicesInterface proxy = target.proxy(ServicesInterface.class);
 
-        Response moviesResponse = proxy.addMovie(transformerMovie);
+        final Response moviesResponse = proxy.addMovie(transformerMovie);
         moviesResponse.close();
 
-        Movie movies = proxy.movieByImdbId(transformerImdbId);
+        final Movie movies = proxy.movieByImdbId(transformerImdbId);
         System.out.println(movies);
     }
 
     @Test
     public void testAddMovie() {
 
-        ResteasyClient client = new ResteasyClientBuilder().build();
+        final ResteasyClient client = new ResteasyClientBuilder().build();
-        ResteasyWebTarget target = client.target(FULL_PATH);
+        final ResteasyWebTarget target = client.target(FULL_PATH);
-        ServicesInterface proxy = target.proxy(ServicesInterface.class);
+        final ServicesInterface proxy = target.proxy(ServicesInterface.class);
 
         Response moviesResponse = proxy.addMovie(batmanMovie);
         moviesResponse.close();
@@ -109,17 +112,15 @@ public class RestEasyClientTest {
     @Test
     public void testAddMovieMultiConnection() {
 
-        PoolingHttpClientConnectionManager cm = new PoolingHttpClientConnectionManager();
+        final PoolingHttpClientConnectionManager cm = new PoolingHttpClientConnectionManager();
-        CloseableHttpClient httpClient = HttpClients.custom()
+        final CloseableHttpClient httpClient = HttpClients.custom().setConnectionManager(cm).build();
-                .setConnectionManager(cm)
+        final ApacheHttpClient4Engine engine = new ApacheHttpClient4Engine(httpClient);
-                .build();
+        final ResteasyClient client = new ResteasyClientBuilder().httpEngine(engine).build();
-        ApacheHttpClient4Engine engine = new ApacheHttpClient4Engine(httpClient);
+        final ResteasyWebTarget target = client.target(FULL_PATH);
-        ResteasyClient client = new ResteasyClientBuilder().httpEngine(engine).build();
+        final ServicesInterface proxy = target.proxy(ServicesInterface.class);
-        ResteasyWebTarget target = client.target(FULL_PATH);
-        ServicesInterface proxy = target.proxy(ServicesInterface.class);
 
-        Response batmanResponse = proxy.addMovie(batmanMovie);
+        final Response batmanResponse = proxy.addMovie(batmanMovie);
-        Response transformerResponse = proxy.addMovie(transformerMovie);
+        final Response transformerResponse = proxy.addMovie(transformerMovie);
 
         if (batmanResponse.getStatus() != Response.Status.CREATED.getStatusCode()) {
             System.out.println("Batman Movie creation Failed : HTTP error code : " + batmanResponse.getStatus());
@@ -132,16 +133,14 @@ public class RestEasyClientTest {
         transformerResponse.close();
         cm.close();
 
-
-
     }
 
     @Test
     public void testDeleteMovie() {
 
-        ResteasyClient client = new ResteasyClientBuilder().build();
+        final ResteasyClient client = new ResteasyClientBuilder().build();
-        ResteasyWebTarget target = client.target(FULL_PATH);
+        final ResteasyWebTarget target = client.target(FULL_PATH);
-        ServicesInterface proxy = target.proxy(ServicesInterface.class);
+        final ServicesInterface proxy = target.proxy(ServicesInterface.class);
 
         Response moviesResponse = proxy.addMovie(batmanMovie);
         moviesResponse.close();
@@ -159,9 +158,9 @@ public class RestEasyClientTest {
     @Test
     public void testUpdateMovie() {
 
-        ResteasyClient client = new ResteasyClientBuilder().build();
+        final ResteasyClient client = new ResteasyClientBuilder().build();
-        ResteasyWebTarget target = client.target(FULL_PATH);
+        final ResteasyWebTarget target = client.target(FULL_PATH);
-        ServicesInterface proxy = target.proxy(ServicesInterface.class);
+        final ServicesInterface proxy = target.proxy(ServicesInterface.class);
 
         Response moviesResponse = proxy.addMovie(batmanMovie);
         moviesResponse.close();

spring-security-rest-full/src/test/java/org/baeldung/persistence/PersistenceTestSuite.java

@@ -1,9 +1,9 @@
 package org.baeldung.persistence;
 
-import org.baeldung.persistence.query.JPACriteriaQueryTest;
+import org.baeldung.persistence.query.JPACriteriaQueryIntegrationTest;
-import org.baeldung.persistence.query.JPAQuerydslTest;
+import org.baeldung.persistence.query.JPAQuerydslIntegrationTest;
-import org.baeldung.persistence.query.JPASpecificationTest;
+import org.baeldung.persistence.query.JPASpecificationIntegrationTest;
-import org.baeldung.persistence.query.RsqlTest;
+import org.baeldung.persistence.query.RsqlIntegrationTest;
 import org.baeldung.persistence.service.FooServicePersistenceIntegrationTest;
 import org.junit.runner.RunWith;
 import org.junit.runners.Suite;
@@ -11,11 +11,11 @@ import org.junit.runners.Suite;
 @RunWith(Suite.class)
 @Suite.SuiteClasses({
     // @formatter:off
-    RsqlTest.class
+    RsqlIntegrationTest.class
-    ,JPASpecificationTest.class
+    ,JPASpecificationIntegrationTest.class
     ,FooServicePersistenceIntegrationTest.class
-    ,JPAQuerydslTest.class
+    ,JPAQuerydslIntegrationTest.class
-    ,JPACriteriaQueryTest.class
+    ,JPACriteriaQueryIntegrationTest.class
 }) //
 public class PersistenceTestSuite {
 

spring-security-rest-full/src/test/java/org/baeldung/persistence/query/JPACriteriaQueryIntegrationTest.java

@@ -24,7 +24,7 @@ import org.springframework.transaction.annotation.Transactional;
 @ContextConfiguration(classes = { PersistenceConfig.class })
 @Transactional
 @Rollback
-public class JPACriteriaQueryTest {
+public class JPACriteriaQueryIntegrationTest {
 
     @Autowired
     private IUserDAO userApi;

spring-security-rest-full/src/test/java/org/baeldung/persistence/query/JPAQuerydslIntegrationTest.java

@@ -23,7 +23,7 @@ import org.springframework.transaction.annotation.Transactional;
 @ContextConfiguration(classes = { PersistenceConfig.class })
 @Transactional
 @Rollback
-public class JPAQuerydslTest {
+public class JPAQuerydslIntegrationTest {
 
     @Autowired
     private MyUserRepository repo;

spring-security-rest-full/src/test/java/org/baeldung/persistence/query/JPASpecificationIntegrationTest.java

@@ -26,7 +26,7 @@ import org.springframework.transaction.annotation.Transactional;
 @ContextConfiguration(classes = { PersistenceConfig.class })
 @Transactional
 @Rollback
-public class JPASpecificationTest {
+public class JPASpecificationIntegrationTest {
 
     @Autowired
     private UserRepository repository;

spring-security-rest-full/src/test/java/org/baeldung/persistence/query/RsqlIntegrationTest.java

@@ -27,7 +27,7 @@ import cz.jirutka.rsql.parser.ast.Node;
 @ContextConfiguration(classes = { PersistenceConfig.class })
 @Transactional
 @Rollback
-public class RsqlTest {
+public class RsqlIntegrationTest {
 
     @Autowired
     private UserRepository repository;

spring-security-rest-full/src/test/java/org/baeldung/web/interceptor/LoggerInterceptorIntegrationTest.java

@@ -23,7 +23,7 @@ import org.springframework.web.context.WebApplicationContext;
 @WebAppConfiguration
 @Transactional
 @ContextConfiguration(classes = { SecurityWithoutCsrfConfig.class, PersistenceConfig.class, WebConfig.class })
-public class LoggerInterceptorTest {
+public class LoggerInterceptorIntegrationTest {
 
     @Autowired
     WebApplicationContext wac;

spring-security-rest-full/src/test/java/org/baeldung/web/interceptor/SessionTimerInterceptorIntegrationTest.java

@@ -28,7 +28,7 @@ import org.springframework.web.context.WebApplicationContext;
 @Transactional
 @ContextConfiguration(classes = { SecurityWithoutCsrfConfig.class, PersistenceConfig.class, WebConfig.class })
 @WithMockUser(username = "admin", roles = { "USER", "ADMIN" })
-public class SessionTimerInterceptorTest {
+public class SessionTimerInterceptorIntegrationTest {
 
     @Autowired
     WebApplicationContext wac;

spring-security-rest-full/src/test/java/org/baeldung/web/interceptor/UserInterceptorIntegrationTest.java

@@ -25,7 +25,7 @@ import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.
 @Transactional
 @ContextConfiguration(classes = { SecurityWithoutCsrfConfig.class, PersistenceConfig.class, WebConfig.class })
 @WithMockUser(username = "admin", roles = { "USER", "ADMIN" })
-public class UserInterceptorTest {
+public class UserInterceptorIntegrationTest {
 
     @Autowired
     WebApplicationContext wac;