Merge branch 'master' of https://github.com/eugenp/tutorials

algorithms-miscellaneous-5/README.md

@@ -16,4 +16,8 @@ This module contains articles about algorithms. Some classes of algorithms, e.g.
 - [Maximum Subarray Problem](https://www.baeldung.com/java-maximum-subarray)
 - [How to Merge Two Sorted Arrays](https://www.baeldung.com/java-merge-sorted-arrays)
 - [Median of Stream of Integers using Heap](https://www.baeldung.com/java-stream-integers-median-using-heap)
+- [Kruskal’s Algorithm for Spanning Trees](https://www.baeldung.com/java-spanning-trees-kruskal)
+- [Balanced Brackets Algorithm in Java](https://www.baeldung.com/java-balanced-brackets-algorithm)
+- [Efficiently Merge Sorted Java Sequences](https://www.baeldung.com/java-merge-sorted-sequences)
+- [Introduction to Greedy Algorithms with Java](https://www.baeldung.com/java-greedy-algorithms)
 - More articles: [[<-- prev]](/../algorithms-miscellaneous-4)

algorithms-sorting-2/README.md

@@ -0,0 +1,3 @@
+### Relevant Articles:
+
+- [Partitioning and Sorting Arrays with Many Repeated Entries](https://www.baeldung.com/java-sorting-arrays-with-repeated-entries)

apache-poi/README.md

@@ -6,3 +6,6 @@ This module contains articles about Apache POI
 - [Microsoft Word Processing in Java with Apache POI](https://www.baeldung.com/java-microsoft-word-with-apache-poi)
 - [Working with Microsoft Excel in Java](https://www.baeldung.com/java-microsoft-excel)
 - [Creating a MS PowerPoint Presentation in Java](https://www.baeldung.com/apache-poi-slideshow)
+- [Merge Cells in Excel Using Apache POI](https://www.baeldung.com/java-apache-poi-merge-cells)
+- [Get String Value of Excel Cell with Apache POI](https://www.baeldung.com/java-apache-poi-cell-string-value)
+- [Read Excel Cell Value Rather Than Formula With Apache POI](https://github.com/eugenp/tutorials/tree/master/apache-poi)

apache-rocketmq/README.md

@@ -3,3 +3,5 @@
 This module contains articles about Apache RocketMQ
 
 ### Relevant Articles: 
+
+- [Apache RocketMQ with Spring Boot](https://www.baeldung.com/apache-rocketmq-spring-boot)

core-java-modules/core-java-13/README.md

@@ -1,3 +1,4 @@
 ### Relevant articles:
 
 - [Java Switch Statement](https://www.baeldung.com/java-switch)
+- [New Java 13 Features](https://www.baeldung.com/java-13-new-features)

core-java-modules/core-java-arrays-2/README.md

@@ -13,4 +13,5 @@ This module contains articles about Java arrays
 - [Removing an Element from an Array in Java](https://www.baeldung.com/java-array-remove-element)
 - [Removing the First Element of an Array](https://www.baeldung.com/java-array-remove-first-element)
 - [Adding an Element to a Java Array vs an ArrayList](https://www.baeldung.com/java-add-element-to-array-vs-list)
+- [Arrays.sort vs Arrays.parallelSort](https://www.baeldung.com/java-arrays-sort-vs-parallelsort)
 - [[<-- Prev]](/core-java-modules/core-java-arrays)

core-java-modules/core-java-arrays-2/src/test/java/com/baeldung/arraysort/SortComparisonUnitTest.java

@@ -69,7 +69,7 @@ public class SortComparisonUnitTest {
     }
 
     @Test
-    public void givenArrayOfIntegers_whenUsingArraysSortMethodWithRange_thenSortRangeOfArrayInAscendingOrder() {
+    public void givenArrayOfIntegers_whenUsingArraysSortWithRange_thenSortRangeOfArrayAsc() {
         int[] array = { 10, 4, 6, 2, 1, 9, 7, 8, 3, 5 };
         int[] expected = { 10, 4, 1, 2, 6, 7, 8, 9, 3, 5 };
 
@@ -89,7 +89,7 @@ public class SortComparisonUnitTest {
     }
 
     @Test
-    public void givenArrayOfIntegers_whenUsingArraysParallelSortMethodWithRange_thenSortRangeOfArrayInAscendingOrder() {
+    public void givenArrayOfIntegers_whenUsingArraysParallelSortWithRange_thenSortRangeOfArrayAsc() {
         int[] array = { 10, 4, 6, 2, 1, 9, 7, 8, 3, 5 };
         int[] expected = { 10, 4, 1, 2, 6, 7, 8, 9, 3, 5 };
 

core-java-modules/core-java-concurrency-advanced-3/README.md

@@ -8,4 +8,6 @@ This module contains articles about advanced topics about multithreading with co
 
 - [Common Concurrency Pitfalls in Java](https://www.baeldung.com/java-common-concurrency-pitfalls)
 - [Guide to RejectedExecutionHandler](https://www.baeldung.com/java-rejectedexecutionhandler)
-[[<-- previous]](/core-java-modules/core-java-concurrency-advanced-2)
+- [Guide to Work Stealing in Java](https://www.baeldung.com/java-work-stealing)
+- [Asynchronous Programming in Java](https://www.baeldung.com/java-asynchronous-programming)
+- [[<-- previous]](/core-java-modules/core-java-concurrency-advanced-2)

core-java-modules/core-java-date-operations-2/README.md

@@ -6,4 +6,5 @@ This module contains articles about date operations in Java.
 - [Skipping Weekends While Adding Days to LocalDate in Java 8](https://www.baeldung.com/java-localdate-add-days-skip-weekends)
 - [Checking If Two Java Dates Are on the Same Day](https://www.baeldung.com/java-check-two-dates-on-same-day)
 - [Converting Java Date to OffsetDateTime](https://www.baeldung.com/java-convert-date-to-offsetdatetime)
+- [How to Set the JVM Time Zone](https://www.baeldung.com/java-jvm-time-zone)
 - [[<-- Prev]](/core-java-modules/core-java-date-operations-1)

core-java-modules/core-java-datetime-java8-2/README.md

@@ -0,0 +1,3 @@
+### Relevant Articles:
+
+- [Creating a LocalDate with Values in Java](https://www.baeldung.com/java-creating-localdate-with-values)

core-java-modules/core-java-exceptions-2/README.md

@@ -6,3 +6,4 @@ This module contains articles about core java exceptions
 
 - [Is It a Bad Practice to Catch Throwable?](https://www.baeldung.com/java-catch-throwable-bad-practice)
 - [Wrapping vs Rethrowing Exceptions in Java](https://www.baeldung.com/java-wrapping-vs-rethrowing-exceptions)
+- [java.net.UnknownHostException: Invalid Hostname for Server](https://www.baeldung.com/java-unknownhostexception)

core-java-modules/core-java-exceptions-2/src/main/java/com/baeldung/socketexception/SocketClient.java

@@ -0,0 +1,32 @@
+package com.baeldung.socketexception;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.PrintWriter;
+import java.net.Socket;
+
+public class SocketClient {
+
+    private Socket clientSocket;
+    private PrintWriter out;
+    private BufferedReader in;
+
+    public void startConnection(String ip, int port) throws IOException {
+        clientSocket = new Socket(ip, port);
+        out = new PrintWriter(clientSocket.getOutputStream(), true);
+        in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
+    }
+
+    public String sendMessage(String msg) throws IOException {
+        out.println(msg);
+        return in.readLine();
+    }
+
+    public void stopConnection() throws IOException {
+        in.close();
+        out.close();
+        clientSocket.close();
+    }
+
+}

core-java-modules/core-java-exceptions-2/src/main/java/com/baeldung/socketexception/SocketServer.java

@@ -0,0 +1,45 @@
+package com.baeldung.socketexception;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.PrintWriter;
+import java.net.ServerSocket;
+import java.net.Socket;
+
+public class SocketServer {
+
+    private ServerSocket serverSocket;
+    private Socket clientSocket;
+    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(clientSocket.getInputStream()));
+            String msg = in.readLine();
+            if (msg.contains("hi"))
+                out.println("hi");
+            else
+                out.println("didn't understand");
+            close();
+            stop();
+        } catch (IOException e) {
+            
+        }
+    }
+
+    private void close() throws IOException {
+        in.close();
+        out.close();
+    }
+
+    private void stop() throws IOException {
+        clientSocket.close();
+        serverSocket.close();
+    }
+
+}

core-java-modules/core-java-exceptions-2/src/test/java/com/baeldung/socketexception/SocketExceptionHandlingUnitTest.java

@@ -0,0 +1,31 @@
+package com.baeldung.socketexception;
+
+import java.io.IOException;
+import java.net.SocketException;
+import java.util.concurrent.Executors;
+
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+public class SocketExceptionHandlingUnitTest {
+
+    @BeforeClass
+    public static void runServer() throws IOException, InterruptedException {
+        Executors.newSingleThreadExecutor()
+            .submit(() -> new SocketServer().start(6699));
+        Thread.sleep(100);
+    }
+
+    @Test
+    public void givenRunningServer_whenConnectToClosedSocket_thenHandleException() throws IOException {
+        SocketClient client = new SocketClient();
+        client.startConnection("127.0.0.1", 6699);
+        try {
+            client.sendMessage("hi");
+            client.sendMessage("hi again");
+        } catch (SocketException e) {
+            client.stopConnection();
+        }
+    }
+
+}

core-java-modules/core-java-lang-2/README.md

@@ -7,4 +7,6 @@ This module contains articles about core features in the Java language
 - [Command-Line Arguments in Java](https://www.baeldung.com/java-command-line-arguments)
 - [What is a POJO Class?](https://www.baeldung.com/java-pojo-class)
 - [Java Default Parameters Using Method Overloading](https://www.baeldung.com/java-default-parameters-method-overloading)
+- [How to Return Multiple Values From a Java Method](https://www.baeldung.com/java-method-return-multiple-values)
+- [Guide to the Java finally Keyword](https://www.baeldung.com/java-finally-keyword)
 - [[<-- Prev]](/core-java-modules/core-java-lang)

core-java-modules/core-java-lang-math/README.md

@@ -9,3 +9,4 @@
 - [The strictfp Keyword in Java](https://www.baeldung.com/java-strictfp)
 - [Basic Calculator in Java](https://www.baeldung.com/java-basic-calculator)
 - [Overflow and Underflow in Java](https://www.baeldung.com/java-overflow-underflow)
+- [Obtaining a Power Set of a Set in Java](https://www.baeldung.com/java-power-set-of-a-set)

core-java-modules/core-java-lang-syntax-2/README.md

@@ -12,4 +12,5 @@ This module contains articles about Java syntax
 - [Variable Scope in Java](https://www.baeldung.com/java-variable-scope)
 - [Introduction to Basic Syntax in Java](https://www.baeldung.com/java-syntax)
 - [Java ‘protected’ Access Modifier](https://www.baeldung.com/java-protected-access-modifier)
+- [Using the Not Operator in If Conditions in Java](https://www.baeldung.com/java-using-not-in-if-conditions)
 - [[<-- Prev]](/core-java-modules/core-java-lang-syntax)

core-java-modules/core-java-lang-syntax/README.md

@@ -13,4 +13,7 @@ This module contains articles about Java syntax
 - [Infinite Loops in Java](https://www.baeldung.com/infinite-loops-java)
 - [Java Switch Statement](https://www.baeldung.com/java-switch)
 - [Breaking Out of Nested Loops](https://www.baeldung.com/java-breaking-out-nested-loop)
+- [Java Do-While Loop](https://www.baeldung.com/java-do-while-loop)
+- [Java While Loop](https://www.baeldung.com/java-while-loop)
+- [Java For Loop](https://www.baeldung.com/java-for-loop)
 - [[More -->]](/core-java-modules/core-java-lang-syntax-2)

core-java-modules/core-java-reflection/README.MD

@@ -6,4 +6,5 @@
 - [Guide to Java Reflection](http://www.baeldung.com/java-reflection)
 - [Call Methods at Runtime Using Java Reflection](http://www.baeldung.com/java-method-reflection)
 - [Changing Annotation Parameters At Runtime](http://www.baeldung.com/java-reflection-change-annotation-params)
-- [Dynamic Proxies in Java](http://www.baeldung.com/java-dynamic-proxies)
+- [Dynamic Proxies in Java](http://www.baeldung.com/java-dynamic-proxies)
+- [What Causes java.lang.reflect.InvocationTargetException?](https://www.baeldung.com/java-lang-reflect-invocationtargetexception)

core-java-modules/core-java-regex/README.md

@@ -5,4 +5,6 @@
 ### Relevant Articles: 
 - [An Overview of Regular Expressions Performance in Java](https://www.baeldung.com/java-regex-performance)
 - [A Guide To Java Regular Expressions API](http://www.baeldung.com/regular-expressions-java)
-- [Guide to Escaping Characters in Java RegExps](http://www.baeldung.com/java-regexp-escape-char)
+- [Guide to Escaping Characters in Java RegExps](http://www.baeldung.com/java-regexp-escape-char)
+- [Pre-compile Regex Patterns Into Pattern Objects](https://www.baeldung.com/java-regex-pre-compile)
+- [Difference Between Java Matcher find() and matches()](https://www.baeldung.com/java-matcher-find-vs-matches)

core-java-modules/core-java-text/README.md

@@ -1,7 +0,0 @@
-=========
-
-## Core Java 8 Cookbooks and Examples
-
-### Relevant Articles: 
-- [An Overview of Regular Expressions Performance in Java](https://www.baeldung.com/java-regex-performance)
-- [Pre-compile Regex Patterns Into Pattern Objects](https://www.baeldung.com/java-regex-pre-compile)

core-kotlin-modules/core-kotlin-2/README.md

@@ -4,5 +4,5 @@ This module contains articles about Kotlin core features.
 
 ### Relevant articles:
 - [Working with Dates in Kotlin](https://www.baeldung.com/kotlin-dates)
-- [Kotlin Ternary Conditional Operator](https://www.baeldung.com/kotlin-ternary-conditional-operator)
+- [Kotlin Ternary Conditional Operator](https://www.baeldung.com/kotlin-ternary-operator)
 - [[<-- Prev]](/core-kotlin-modules/core-kotlin)

core-kotlin-modules/core-kotlin/README.md

@@ -3,7 +3,7 @@
 This module contains articles about Kotlin core features.
 
 ### Relevant articles:
-- [Introduction to the Kotlin Language](https://www.baeldung.com/kotlin)
+- [Introduction to the Kotlin Language](https://www.baeldung.com/kotlin-intro)
 - [Kotlin Java Interoperability](https://www.baeldung.com/kotlin-java-interoperability)
 - [Get a Random Number in Kotlin](https://www.baeldung.com/kotlin-random-number)
 - [Create a Java and Kotlin Project with Maven](https://www.baeldung.com/kotlin-maven-java-project)

data-structures/README.md

@@ -8,3 +8,4 @@ This module contains articles about data structures in Java
 - [Implementing a Binary Tree in Java](https://www.baeldung.com/java-binary-tree)
 - [Circular Linked List Java Implementation](https://www.baeldung.com/java-circular-linked-list)
 - [How to Print a Binary Tree Diagram](https://www.baeldung.com/java-print-binary-tree-diagram)
+- [Introduction to Big Queue](https://www.baeldung.com/java-big-queue)

dropwizard/README.md

@@ -1 +1,5 @@
-# Dropwizard
+# Dropwizard
+
+### Relevant Articles:
+
+- [Introduction to Dropwizard](https://www.baeldung.com/java-dropwizard)

java-numbers-3/README.md

@@ -0,0 +1,4 @@
+### Relevant Articles:
+
+- [Generating Random Numbers](https://www.baeldung.com/java-generating-random-numbers)
+- [Convert Double to Long in Java](https://www.baeldung.com/java-convert-double-long)

json-2/README.md

@@ -3,3 +3,4 @@
 This module contains articles about JSON.
 
 ### Relevant Articles:
+- [Introduction to Jsoniter](https://www.baeldung.com/java-jsoniter)

libraries-3/README.md

@@ -9,3 +9,5 @@ Remember, for advanced libraries like [Jackson](/jackson) and [JUnit](/testing-m
 
 ### Relevant Articles:
 - [Parsing Command-Line Parameters with JCommander](https://www.baeldung.com/jcommander-parsing-command-line-parameters)
+- [Guide to the Cactoos Library](https://www.baeldung.com/java-cactoos)
+- [Parsing Command-Line Parameters with Airline](https://www.baeldung.com/java-airline)

libraries-data-io/src/test/java/com/baeldung/libraries/snakeyaml/MultiLineStringsUnitTest.java

@@ -0,0 +1,90 @@
+package com.baeldung.libraries.snakeyaml;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.yaml.snakeyaml.Yaml;
+
+import java.io.File;
+import java.io.InputStream;
+import java.util.Map;
+
+import static org.junit.Assert.assertEquals;
+
+public class MultiLineStringsUnitTest {
+
+    private Yaml yaml;
+
+    @Before
+    public void setup() {
+        yaml = new Yaml();
+    }
+
+    @Test
+    public void whenLiteral_ThenLineBreaksArePresent() {
+        String key = parseYamlKey("literal.yaml", "key");
+        assertEquals("Line1\nLine2\nLine3", key);
+    }
+
+    @Test
+    public void whenLiteral_ThenEndingBreaksAreReducedToOne() {
+        String key = parseYamlKey("literal2.yaml", "key");
+        assertEquals("\n\nLine1\n\nLine2\n\nLine3\n", key);
+    }
+
+    @Test
+    public void whenFolded_ThenLineBreaksAreReplaced() {
+        String key = parseYamlKey("folded.yaml", "key");
+        assertEquals("Line1 Line2 Line3", key);
+    }
+
+    @Test
+    public void whenFolded_ThenEmptyLinesAreReducedToOne() {
+        String key = parseYamlKey("folded2.yaml", "key");
+        assertEquals("Line1 Line2\n\nLine3\n", key);
+    }
+
+    @Test
+    public void whenLiteralKeep_ThenLastEmptyLinesArePresent() {
+        String key = parseYamlKey("literal_keep.yaml", "key");
+        assertEquals("Line1\nLine2\nLine3\n\n", key);
+    }
+
+    @Test
+    public void whenLiteralStrip_ThenLastEmptyLinesAreRemoved() {
+        String key = parseYamlKey("literal_strip.yaml", "key");
+        assertEquals("Line1\nLine2\nLine3", key);
+    }
+
+    @Test
+    public void whenFoldedKeep_ThenLastEmptyLinesArePresent() {
+        String key = parseYamlKey("folded_keep.yaml", "key");
+        assertEquals("Line1 Line2 Line3\n\n\n", key);
+    }
+
+    @Test
+    public void whenFoldedStrip_ThenLastEmptyLinesAreRemoved() {
+        String key = parseYamlKey("folded_strip.yaml", "key");
+        assertEquals("Line1 Line2 Line3", key);
+    }
+
+    @Test
+    public void whenDoubleQuotes_ThenExplicitBreaksArePreserved() {
+        String key = parseYamlKey("plain_double_quotes.yaml", "key");
+        assertEquals("Line1\nLine2\nLine3", key);
+    }
+
+    @Test
+    public void whenSingleQuotes_ThenExplicitBreaksAreIgnored() {
+        String key = parseYamlKey("plain_single_quotes.yaml", "key");
+        assertEquals("Line1\\nLine2\nLine3", key);
+    }
+
+    String parseYamlKey(String fileName, String key) {
+        InputStream inputStream = this.getClass()
+                .getClassLoader()
+                .getResourceAsStream("yaml" + File.separator + "multiline" + File.separator + fileName);
+        Map<String, String> parsed = yaml.load(inputStream);
+        return parsed.get(key);
+    }
+
+}

libraries-data-io/src/test/resources/yaml/multiline/folded.yaml

@@ -0,0 +1,4 @@
+key: >
+  Line1
+  Line2
+  Line3

libraries-data-io/src/test/resources/yaml/multiline/folded2.yaml

@@ -0,0 +1,8 @@
+key: >
+  Line1
+  Line2
+
+
+  Line3
+
+

libraries-data-io/src/test/resources/yaml/multiline/folded_keep.yaml

@@ -0,0 +1,6 @@
+key: >+
+  Line1
+  Line2
+  Line3
+
+

libraries-data-io/src/test/resources/yaml/multiline/folded_strip.yaml

@@ -0,0 +1,7 @@
+key: >-
+  Line1
+  Line2
+  Line3
+
+
+

libraries-data-io/src/test/resources/yaml/multiline/literal.yaml

@@ -0,0 +1,4 @@
+key: |
+  Line1
+  Line2
+  Line3

libraries-data-io/src/test/resources/yaml/multiline/literal2.yaml

@@ -0,0 +1,10 @@
+key: |
+
+
+  Line1
+
+  Line2
+
+  Line3
+
+

libraries-data-io/src/test/resources/yaml/multiline/literal_keep.yaml

@@ -0,0 +1,5 @@
+key: |+
+  Line1
+  Line2
+  Line3
+

libraries-data-io/src/test/resources/yaml/multiline/literal_strip.yaml

@@ -0,0 +1,5 @@
+key: |-
+  Line1
+  Line2
+  Line3
+

libraries-data-io/src/test/resources/yaml/multiline/plain_double_quotes.yaml

@@ -0,0 +1 @@
+key: "Line1\nLine2\nLine3"

libraries-data-io/src/test/resources/yaml/multiline/plain_single_quotes.yaml

@@ -0,0 +1,3 @@
+key: 'Line1\nLine2
+
+  Line3'

logging-modules/logback/README.md

@@ -2,3 +2,4 @@
 
 - [Get Log Output in JSON](https://www.baeldung.com/java-log-json-output)
 - [SLF4J Warning: Class Path Contains Multiple SLF4J Bindings](https://www.baeldung.com/slf4j-classpath-multiple-bindings)
+- [Sending Emails with Logback](https://www.baeldung.com/logback-send-email)

persistence-modules/redis/README.md

@@ -2,3 +2,4 @@
 - [Intro to Jedis – the Java Redis Client Library](http://www.baeldung.com/jedis-java-redis-client-library)
 - [A Guide to Redis with Redisson](http://www.baeldung.com/redis-redisson)
 - [Introduction to Lettuce – the Java Redis Client](https://www.baeldung.com/java-redis-lettuce)
+- [List All Available Redis Keys](https://www.baeldung.com/redis-list-available-keys)

persistence-modules/spring-data-jpa-4/README.md

@@ -3,6 +3,8 @@
 - [LIKE Queries in Spring JPA Repositories](https://www.baeldung.com/spring-jpa-like-queries)
 - [A Guide to Spring’s Open Session In View](https://www.baeldung.com/spring-open-session-in-view)
 - [Programmatic Transaction Management in Spring](https://www.baeldung.com/spring-programmatic-transaction-management)
+- [JPA Entity Lifecycle Events](https://www.baeldung.com/jpa-entity-lifecycle-events)
+- [Working with Lazy Element Collections in JPA](https://www.baeldung.com/java-jpa-lazy-collections)
 
 ### Eclipse Config 
 After importing the project into Eclipse, you may see the following error:  

pom.xml

@@ -641,7 +641,6 @@
                 <module>spring-boot-modules</module>
                 <module>spring-boot-parent</module>
                 <module>spring-boot-rest</module>
-                <module>spring-boot-security</module>
               
                 <module>spring-caching</module>
 
@@ -1144,7 +1143,6 @@
                 <module>spring-boot-modules</module>
                 <module>spring-boot-parent</module>
                 <module>spring-boot-rest</module>
-                <module>spring-boot-security</module>
 
                 <module>spring-caching</module>
 

slack/README.md

@@ -0,0 +1,3 @@
+### Relevant Articles:
+
+- [How to Create a Slack Plugin in Java](https://www.baeldung.com/java-slack-plugin)

spring-boot-modules/pom.xml

@@ -46,6 +46,7 @@
         <module>spring-boot-properties</module>
         <module>spring-boot-property-exp</module>
         <module>spring-boot-runtime</module>
+        <module>spring-boot-security</module>
         <module>spring-boot-springdoc</module>
         <module>spring-boot-testing</module>
         <module>spring-boot-vue</module>

spring-boot-modules/spring-boot-artifacts/README.md

@@ -9,3 +9,5 @@ This module contains articles about configuring the Spring Boot build process.
  - [Introduction to WebJars](https://www.baeldung.com/maven-webjars)
  - [A Quick Guide to Maven Wrapper](https://www.baeldung.com/maven-wrapper) 
  - [Running a Spring Boot App with Maven vs an Executable War/Jar](https://www.baeldung.com/spring-boot-run-maven-vs-executable-jar)
+ - [Injecting Git Information Into Spring](https://www.baeldung.com/spring-git-information)
+ - [Guide to Creating and Running a Jar File in Java](https://www.baeldung.com/java-create-jar)

spring-boot-modules/spring-boot-artifacts/pom.xml

@@ -139,6 +139,33 @@
                     </execution>
                 </executions>
             </plugin>
+            
+            <plugin>
+                <groupId>pl.project13.maven</groupId>
+                <artifactId>git-commit-id-plugin</artifactId>
+                <version>${git-commit-id-plugin.version}</version>
+                <executions>
+                    <execution>
+                        <id>get-the-git-infos</id>
+                        <goals>
+                            <goal>revision</goal>
+                        </goals>
+                        <phase>initialize</phase>
+                    </execution>
+                    <execution>
+                        <id>validate-the-git-infos</id>
+                        <goals>
+                            <goal>validateRevision</goal>
+                        </goals>
+                        <phase>package</phase>
+                    </execution>
+                </executions>
+                <configuration>
+                    <generateGitPropertiesFile>true</generateGitPropertiesFile>
+                    <generateGitPropertiesFilename>${project.build.outputDirectory}/git.properties</generateGitPropertiesFilename>
+                </configuration>
+            </plugin>
+            
         </plugins>
     </build>
 
@@ -185,6 +212,7 @@
         <jquery.version>3.1.1</jquery.version>
         <bootstrap.version>3.3.7-1</bootstrap.version>
         <jpa.version>2.2</jpa.version>
+        <git-commit-id-plugin.version>2.2.4</git-commit-id-plugin.version>
         <guava.version>18.0</guava.version>
         <subethasmtp.version>3.1.7</subethasmtp.version>
         <springcloud.version>2.0.2.RELEASE</springcloud.version>

spring-boot-modules/spring-boot-autoconfiguration/README.md

@@ -10,3 +10,4 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring
 - [Create a Custom Auto-Configuration with Spring Boot](https://www.baeldung.com/spring-boot-custom-auto-configuration)
 - [Guide to ApplicationContextRunner in Spring Boot](https://www.baeldung.com/spring-boot-context-runner)
 - [A Guide to Spring Boot Configuration Metadata](https://www.baeldung.com/spring-boot-configuration-metadata)
+- [Display Auto-Configuration Report in Spring Boot](https://www.baeldung.com/spring-boot-auto-configuration-report)

spring-boot-modules/spring-boot-data/README.md

@@ -9,3 +9,4 @@ This module contains articles about Spring Boot with Spring Data
 - [Disable Spring Data Auto Configuration](https://www.baeldung.com/spring-data-disable-auto-config)
 - [Repositories with Multiple Spring Data Modules](https://www.baeldung.com/spring-multiple-data-modules)
 - [Spring Custom Property Editor](https://www.baeldung.com/spring-mvc-custom-property-editor)
+- [Using @JsonComponent in Spring Boot](https://www.baeldung.com/spring-boot-jsoncomponent)

spring-boot-modules/spring-boot-data/src/main/java/com/baeldung/boot/jsoncomponent/User.java

@@ -1,4 +1,4 @@
-package org.baeldung.boot.jsoncomponent;
+package com.baeldung.boot.jsoncomponent;
 
 import javafx.scene.paint.Color;
 

spring-boot-modules/spring-boot-data/src/main/java/com/baeldung/boot/jsoncomponent/UserCombinedSerializer.java

@@ -1,4 +1,4 @@
-package org.baeldung.boot.jsoncomponent;
+package com.baeldung.boot.jsoncomponent;
 
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.core.JsonParser;

spring-boot-modules/spring-boot-data/src/main/java/com/baeldung/boot/jsoncomponent/UserJsonDeserializer.java

@@ -1,4 +1,4 @@
-package org.baeldung.boot.jsoncomponent;
+package com.baeldung.boot.jsoncomponent;
 
 import com.fasterxml.jackson.core.JsonParser;
 import com.fasterxml.jackson.core.JsonProcessingException;

spring-boot-modules/spring-boot-data/src/main/java/com/baeldung/boot/jsoncomponent/UserJsonSerializer.java

@@ -1,4 +1,4 @@
-package org.baeldung.boot.jsoncomponent;
+package com.baeldung.boot.jsoncomponent;
 
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.core.JsonProcessingException;

spring-boot-modules/spring-boot-data/src/test/java/com/baeldung/boot/jsoncomponent/UserJsonDeserializerIntegrationTest.java

@@ -1,9 +1,9 @@
-package org.baeldung.boot.jsoncomponent;
+package com.baeldung.boot.jsoncomponent;
 
+import com.baeldung.boot.jsoncomponent.User;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import javafx.scene.paint.Color;
 
-import org.baeldung.boot.jsoncomponent.User;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;

spring-boot-modules/spring-boot-data/src/test/java/com/baeldung/boot/jsoncomponent/UserJsonSerializerIntegrationTest.java

@@ -1,5 +1,6 @@
-package org.baeldung.boot.jsoncomponent;
+package com.baeldung.boot.jsoncomponent;
 
+import com.baeldung.boot.jsoncomponent.User;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import javafx.scene.paint.Color;
@@ -11,8 +12,6 @@ import org.springframework.test.context.junit4.SpringRunner;
 
 import static org.junit.Assert.assertEquals;
 
-import org.baeldung.boot.jsoncomponent.User;
-
 @JsonTest
 @RunWith(SpringRunner.class)
 public class UserJsonSerializerIntegrationTest {

spring-boot-modules/spring-boot-mvc-2/README.md

@@ -5,5 +5,5 @@ This module contains articles about Spring Web MVC in Spring Boot projects.
 ### Relevant Articles:
 
 - [Functional Controllers in Spring MVC](https://www.baeldung.com/spring-mvc-functional-controllers)
-- [Specify an array of strings as body parameter in Swagger API](https://www.baeldung.com/swagger-body-array-of-strings)
+- [Specify an Array of Strings as Body Parameters in Swagger](https://www.baeldung.com/swagger-body-array-of-strings)
 - More articles: [[prev -->]](/spring-boot-mvc)

spring-boot-modules/spring-boot-performance/README.md

@@ -5,3 +5,4 @@ This module contains articles about Spring Boot performance.
 ### Relevant Articles
 
 - [Lazy Initialization in Spring Boot 2](https://www.baeldung.com/spring-boot-lazy-initialization)
+- [Introduction to Chaos Monkey](https://www.baeldung.com/spring-boot-chaos-monkey)

spring-boot-modules/spring-boot-performance/pom.xml

@@ -19,6 +19,17 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter</artifactId>
         </dependency>
+        
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        
+        <dependency>
+            <groupId>de.codecentric</groupId>
+            <artifactId>chaos-monkey-spring-boot</artifactId>
+            <version>${chaos.monkey.version}</version>
+        </dependency>
     </dependencies>
 
     <build>
@@ -41,5 +52,6 @@
     <properties>
         <!-- The main class to start by executing java -jar -->
         <start-class>com.baeldung.lazyinitialization.Application</start-class>
+        <chaos.monkey.version>2.0.0</chaos.monkey.version>
     </properties>
 </project>

spring-boot-modules/spring-boot-performance/src/main/resources/application.properties

@@ -0,0 +1,29 @@
+#chaos monkey for spring boot props
+management.endpoint.chaosmonkey.enabled=true
+management.endpoint.chaosmonkeyjmx.enabled=true
+
+spring.profiles.active=chaos-monkey
+#Determine whether should execute or not
+chaos.monkey.enabled=true
+#How many requests are to be attacked. 1: attack each request; 5: each 5th request is attacked
+chaos.monkey.assaults.level=1
+#Minimum latency in ms added to the request
+chaos.monkey.assaults.latencyRangeStart=3000
+#Maximum latency in ms added to the request
+chaos.monkey.assaults.latencyRangeEnd=15000
+#Latency assault active
+chaos.monkey.assaults.latencyActive=true
+#Exception assault active
+chaos.monkey.assaults.exceptionsActive=false
+#AppKiller assault active
+chaos.monkey.assaults.killApplicationActive=false
+#Controller watcher active
+chaos.monkey.watcher.controller=false
+#RestController watcher active
+chaos.monkey.watcher.restController=false
+#Service watcher active
+chaos.monkey.watcher.service=true
+#Repository watcher active
+chaos.monkey.watcher.repository=false
+#Component watcher active
+chaos.monkey.watcher.component=false

spring-boot-modules/spring-boot-security/README.md

@@ -7,6 +7,7 @@ This module contains articles about Spring Boot Security
 - [Spring Boot Security Auto-Configuration](https://www.baeldung.com/spring-boot-security-autoconfiguration)
 - [Spring Security for Spring Boot Integration Tests](https://www.baeldung.com/spring-security-integration-tests)
 - [Introduction to Spring Security Taglibs](https://www.baeldung.com/spring-security-taglibs)
+- [Guide to @CurrentSecurityContext in Spring Security](https://www.baeldung.com/spring-currentsecuritycontext)
 
 ### Spring Boot Security Auto-Configuration
 

spring-boot-modules/spring-boot-security/pom.xml

@@ -11,7 +11,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-boot-2</artifactId>
         <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../parent-boot-2</relativePath>
+        <relativePath>../../parent-boot-2</relativePath>
     </parent>
 
     <dependencies>