Merge pull request #47 from eugenp/master

update

core-groovy-2/determine-datatype/pom.xml

@@ -0,0 +1,40 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>com.baeldung.groovy</groupId>
+    <artifactId>determine-datatype</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <build>
+        <sourceDirectory>src</sourceDirectory>
+        <plugins>
+            <plugin>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.0</version>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.codehaus.gmaven</groupId>
+                <artifactId>groovy-maven-plugin</artifactId>
+                <dependencies>
+                    <dependency>
+                        <groupId>org.codehaus.groovy</groupId>
+                        <artifactId>groovy-all</artifactId>
+                        <version>2.0.6</version>
+                    </dependency>
+                </dependencies>
+            </plugin>
+        </plugins>
+    </build>
+    <dependencies>
+        <!-- https://mvnrepository.com/artifact/org.junit/junit5-engine -->
+        <dependency>
+            <groupId>org.junit</groupId>
+            <artifactId>junit5-engine</artifactId>
+            <version>5.0.0-ALPHA</version>
+        </dependency>
+    </dependencies>
+</project>

core-groovy-2/determine-datatype/src/com/baeldung/groovy/determine/datatype/Person.groovy

@@ -0,0 +1,14 @@
+package com.baeldung.groovy.determine.datatype
+
+class Person {
+    
+    private int ageAsInt
+    private Double ageAsDouble
+    private String ageAsString
+    
+    Person() {}
+    Person(int ageAsInt) { this.ageAsInt =  ageAsInt}
+    Person(Double ageAsDouble) { this.ageAsDouble =  ageAsDouble}
+    Person(String ageAsString) { this.ageAsString =  ageAsString}    
+}
+class Student extends Person {}

core-groovy-2/determine-datatype/src/com/baeldung/groovy/determine/datatype/PersonTest.groovy

@@ -0,0 +1,55 @@
+package com.baeldung.groovy.determine.datatype;
+
+import org.junit.Assert
+import org.junit.Test;
+
+public class PersonTest {
+    
+    @Test
+    public void givenWhenParameterTypeIsInteger_thenReturnTrue() {
+        Person personObj = new Person(10)
+        Assert.assertTrue(personObj.ageAsInt instanceof Integer);
+    }
+    
+    @Test
+    public void givenWhenParameterTypeIsDouble_thenReturnTrue() {
+        Person personObj = new Person(10.0)
+        Assert.assertTrue((personObj.ageAsDouble).getClass() == Double)
+    }
+    
+    @Test
+    public void givenWhenParameterTypeIsString_thenReturnTrue() {
+        Person personObj = new Person("10 years")
+        Assert.assertTrue(personObj.ageAsString.class == String)
+    }
+    
+    @Test
+    public void givenClassName_WhenParameterIsInteger_thenReturnTrue() {
+        Assert.assertTrue(Person.class.getDeclaredField('ageAsInt').type == int.class)
+    }
+    
+    @Test
+    public void givenWhenObjectIsInstanceOfType_thenReturnTrue() {
+        Person personObj = new Person()
+        Assert.assertTrue(personObj instanceof Person)
+    }
+
+    @Test
+    public void givenWhenInstanceIsOfSubtype_thenReturnTrue() {
+        Student studentObj = new Student()
+        Assert.assertTrue(studentObj in Person)
+    }
+    
+    @Test
+    public void givenGroovyList_WhenFindClassName_thenReturnTrue() {
+      def ageList = ['ageAsString','ageAsDouble', 10]   
+      Assert.assertTrue(ageList.class == ArrayList)     
+      Assert.assertTrue(ageList.getClass() == ArrayList)
+    }
+    
+    @Test
+    public void givenGrooyMap_WhenFindClassName_thenReturnTrue() {
+      def ageMap = [ageAsString: '10 years', ageAsDouble: 10.0]
+      Assert.assertFalse(ageMap.class == LinkedHashMap)
+    }
+}

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

@@ -1,17 +0,0 @@
-## Core Java Arrays (Part 2)
-
-This module contains articles about Java arrays
-
-## Relevant Articles
-
-- [Extending an Array’s Length](https://www.baeldung.com/java-array-add-element-at-the-end)
-- [Looping Diagonally Through a 2d Java Array](https://www.baeldung.com/java-loop-diagonal-array)
-- [Converting Between Stream and Array in Java](https://www.baeldung.com/java-stream-to-array)
-- [Convert a Float to a Byte Array in Java](https://www.baeldung.com/java-convert-float-to-byte-array)
-- [Array Operations in Java](https://www.baeldung.com/java-common-array-operations)
-- [Intersection Between two Integer Arrays](https://www.baeldung.com/java-array-intersection)
-- [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-3/README.md

@@ -1,3 +0,0 @@
-### Relevant Articles:
-
-- [Arrays.deepEquals](https://www.baeldung.com/java-arrays-deepequals)

core-java-modules/core-java-arrays-3/pom.xml

@@ -1,32 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project
-    xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-    <artifactId>core-java-arrays-3</artifactId>
-    <version>0.1.0-SNAPSHOT</version>
-    <name>core-java-arrays-3</name>
-    <packaging>jar</packaging>
-
-    <parent>
-        <groupId>com.baeldung</groupId>
-        <artifactId>parent-java</artifactId>
-        <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../../parent-java</relativePath>
-    </parent>
-
-    <dependencies>
-        <dependency>
-            <groupId>org.assertj</groupId>
-            <artifactId>assertj-core</artifactId>
-            <version>${assertj.version}</version>
-            <scope>test</scope>
-        </dependency>
-    </dependencies>
-
-    <properties>
-        <assertj.version>3.14.0</assertj.version>
-    </properties>
-
-</project>

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

@@ -0,0 +1,7 @@
+## Core Java Arrays - Conversions
+
+This module contains articles about arrays conversion in Java
+
+## Relevant Articles
+- [Convert a Float to a Byte Array in Java](https://www.baeldung.com/java-convert-float-to-byte-array)
+- [Converting Between Stream and Array in Java](https://www.baeldung.com/java-stream-to-array)

core-java-modules/core-java-arrays-convert/pom.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>core-java-modules</artifactId>
+        <groupId>com.baeldung.core-java-modules</groupId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>core-java-arrays-convert</artifactId>
+    <name>core-java-arrays-convert</name>
+    <packaging>jar</packaging>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>${guava.version}</version>
+        </dependency>
+    </dependencies>
+
+    <properties>
+        <guava.version>28.2-jre</guava.version>
+    </properties>
+</project>

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

@@ -0,0 +1,7 @@
+## Core Java Arrays - Guides
+
+This module contains complete guides about arrays in Java
+
+### Relevant Articles: 
+- [Arrays in Java: A Reference Guide](https://www.baeldung.com/java-arrays-guide)
+- [Guide to the java.util.Arrays Class](https://www.baeldung.com/java-util-arrays)

core-java-modules/core-java-arrays-guides/pom.xml

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>core-java-modules</artifactId>
+        <groupId>com.baeldung.core-java-modules</groupId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>core-java-arrays-guides</artifactId>
+    <name>core-java-arrays-guides</name>
+    <packaging>jar</packaging>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.openjdk.jmh</groupId>
+            <artifactId>jmh-core</artifactId>
+            <version>${jmh.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.openjdk.jmh</groupId>
+            <artifactId>jmh-generator-annprocess</artifactId>
+            <version>${jmh.version}</version>
+        </dependency>
+    </dependencies>
+
+    <properties>
+        <jmh.version>1.19</jmh.version>
+    </properties>
+</project>

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

@@ -0,0 +1,7 @@
+## Core Java Arrays - Multidimensional
+
+This module contains articles about multidimensional arrays in Java
+
+### Relevant Articles: 
+- [Multi-Dimensional Arrays In Java](https://www.baeldung.com/java-jagged-arrays)
+- [Looping Diagonally Through a 2d Java Array](https://www.baeldung.com/java-loop-diagonal-array)

core-java-modules/core-java-arrays-multidimensional/pom.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>core-java-modules</artifactId>
+        <groupId>com.baeldung.core-java-modules</groupId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>core-java-arrays-multidimensional</artifactId>
+    <name>core-java-arrays-multidimensional</name>
+    <packaging>jar</packaging>
+</project>

core-java-modules/core-java-arrays-operations-advanced/README.md

@@ -0,0 +1,9 @@
+## Core Java Arrays - Advanced Operations
+
+This module contains articles about advanced operations on arrays in Java. They assume some background knowledge with arrays in Java.
+
+### Relevant Articles: 
+- [How to Copy an Array in Java](https://www.baeldung.com/java-array-copy)
+- [Arrays.deepEquals](https://www.baeldung.com/java-arrays-deepequals)
+- [Find Sum and Average in a Java Array](https://www.baeldung.com/java-array-sum-average)
+- [Intersection Between two Integer Arrays](https://www.baeldung.com/java-array-intersection)

core-java-modules/core-java-arrays-operations-advanced/pom.xml

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>core-java-modules</artifactId>
+        <groupId>com.baeldung.core-java-modules</groupId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>core-java-arrays-operations-advanced</artifactId>
+    <name>core-java-arrays-operations-advanced</name>
+    <packaging>jar</packaging>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>${commons-lang3.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>${assertj-core.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <properties>
+        <commons-lang3.version>3.9</commons-lang3.version>
+
+        <assertj-core.version>3.10.0</assertj-core.version>
+    </properties>
+</project>

core-java-modules/core-java-arrays-operations-advanced/src/main/java/com/baeldung/array/operations/ArraysIntersectionOperations.java

@@ -0,0 +1,27 @@
+package com.baeldung.array.operations;
+
+import java.util.Arrays;
+import java.util.LinkedList;
+import java.util.stream.Stream;
+
+public class ArraysIntersectionOperations {
+
+    public static Integer[] intersectionSimple(final Integer[] a, final Integer[] b) {
+        return Stream.of(a)
+            .filter(Arrays.asList(b)::contains)
+            .toArray(Integer[]::new);
+    }
+
+    public static Integer[] intersectionSet(final Integer[] a, final Integer[] b) {
+        return Stream.of(a)
+            .filter(Arrays.asList(b)::contains)
+            .distinct()
+            .toArray(Integer[]::new);
+    }
+
+    public static Integer[] intersectionMultiSet(final Integer[] a, final Integer[] b) {
+        return Stream.of(a)
+            .filter(new LinkedList<>(Arrays.asList(b))::remove)
+            .toArray(Integer[]::new);
+    }
+}

core-java-modules/core-java-arrays-operations-advanced/src/test/java/com/baeldung/array/operations/IntersectionUnitTest.java

@@ -2,7 +2,7 @@ package com.baeldung.array.operations;
 
 import org.junit.jupiter.api.Test;
 
-import static com.baeldung.array.operations.ArrayOperations.*;
+import static com.baeldung.array.operations.ArraysIntersectionOperations.*;
 import static org.assertj.core.api.Assertions.assertThat;
 
 class IntersectionUnitTest {

core-java-modules/core-java-arrays-operations-basic/README.md

@@ -0,0 +1,12 @@
+## Core Java Arrays - Basic Operations
+
+This module contains articles about Java array fundamentals. They assume no previous background knowledge on working with arrays.
+
+### Relevant Articles: 
+- [Initializing Arrays in Java](https://www.baeldung.com/java-initialize-array)
+- [Array Operations in Java](https://www.baeldung.com/java-common-array-operations)
+- [Adding an Element to a Java Array vs an ArrayList](https://www.baeldung.com/java-add-element-to-array-vs-list)
+- [Check if a Java Array Contains a Value](https://www.baeldung.com/java-array-contains-value)
+- [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)
+- [Extending an Array’s Length](https://www.baeldung.com/java-array-add-element-at-the-end)

core-java-modules/core-java-arrays-operations-basic/pom.xml

@@ -1,54 +1,19 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project
+<project xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>core-java-modules</artifactId>
+        <groupId>com.baeldung.core-java-modules</groupId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
     <modelVersion>4.0.0</modelVersion>
-    <artifactId>core-java-arrays-2</artifactId>
+
-    <version>0.1.0-SNAPSHOT</version>
+    <artifactId>core-java-arrays-operations-basic</artifactId>
-    <name>core-java-arrays-2</name>
+    <name>core-java-arrays-operations-basic</name>
     <packaging>jar</packaging>
 
-    <parent>
-        <groupId>com.baeldung</groupId>
-        <artifactId>parent-java</artifactId>
-        <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../../parent-java</relativePath>
-    </parent>
-
-    <dependencies>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-            <version>${commons-lang3.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.openjdk.jmh</groupId>
-            <artifactId>jmh-core</artifactId>
-            <version>${jmh.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.openjdk.jmh</groupId>
-            <artifactId>jmh-generator-annprocess</artifactId>
-            <version>${jmh.version}</version>
-        </dependency>
-        <!-- test scoped -->
-        <dependency>
-            <groupId>org.assertj</groupId>
-            <artifactId>assertj-core</artifactId>
-            <version>${assertj-core.version}</version>
-            <scope>test</scope>
-        </dependency>
-    </dependencies>
-
     <build>
-        <finalName>core-java-arrays-2</finalName>
-        <resources>
-            <resource>
-                <directory>src/main/resources</directory>
-                <filtering>true</filtering>
-            </resource>
-        </resources>
         <plugins>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
@@ -74,13 +39,40 @@
         </plugins>
     </build>
 
-    <properties>
+    <dependencies>
-        <jmh.version>1.19</jmh.version>
+        <dependency>
-        <!-- util -->
+            <groupId>org.apache.commons</groupId>
-        <commons-lang3.version>3.9</commons-lang3.version>
+            <artifactId>commons-lang3</artifactId>
-        <!-- testing -->
+            <version>${commons-lang3.version}</version>
-        <assertj-core.version>3.10.0</assertj-core.version>
+        </dependency>
-        <shade.plugin.version>3.2.0</shade.plugin.version>
-    </properties>
 
-</project>
+        <!-- Benchmarking -->
+        <dependency>
+            <groupId>org.openjdk.jmh</groupId>
+            <artifactId>jmh-core</artifactId>
+            <version>${jmh.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.openjdk.jmh</groupId>
+            <artifactId>jmh-generator-annprocess</artifactId>
+            <version>${jmh.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>${assertj-core.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <properties>
+        <shade.plugin.version>3.2.0</shade.plugin.version>
+
+        <commons-lang3.version>3.9</commons-lang3.version>
+
+        <jmh.version>1.19</jmh.version>
+
+        <assertj-core.version>3.10.0</assertj-core.version>
+    </properties>
+</project>

core-java-modules/core-java-arrays-operations-basic/src/main/java/com/baeldung/array/ArrayBenchmarkRunner.java

@@ -9,7 +9,7 @@ public class ArrayBenchmarkRunner {
   public static void main(String[] args) throws Exception {
 
     Options options = new OptionsBuilder()
-        .include(SearchArrayUnitTest.class.getSimpleName()).threads(1)
+        .include(SearchArrayBenchmark.class.getSimpleName()).threads(1)
         .forks(1).shouldFailOnError(true).shouldDoGC(true)
         .jvmArgs("-server").build();
 

core-java-modules/core-java-arrays-operations-basic/src/main/java/com/baeldung/array/SearchArrayBenchmark.java

@@ -8,7 +8,7 @@ import java.util.concurrent.TimeUnit;
 @BenchmarkMode(Mode.AverageTime)
 @Warmup(iterations = 5)
 @OutputTimeUnit(TimeUnit.MICROSECONDS)
-public class SearchArrayUnitTest {
+public class SearchArrayBenchmark {
 
     @State(Scope.Benchmark)
     public static class SearchData {

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

@@ -0,0 +1,9 @@
+## Core Java Arrays - Sorting
+
+This module contains articles about sorting arrays in Java
+
+### Relevant Articles: 
+- [Sorting Arrays in Java](https://www.baeldung.com/java-sorting-arrays)
+- [Checking If an Array Is Sorted in Java](https://www.baeldung.com/java-check-sorted-array)
+- [How to Reverse an Array in Java](http://www.baeldung.com/java-invert-array)
+- [Arrays.sort vs Arrays.parallelSort](https://www.baeldung.com/java-arrays-sort-vs-parallelsort)

core-java-modules/core-java-arrays-sorting/pom.xml

@@ -0,0 +1,87 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>core-java-modules</artifactId>
+        <groupId>com.baeldung.core-java-modules</groupId>
+        <version>1.0.0-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>core-java-arrays-sorting</artifactId>
+    <name>core-java-arrays-sorting</name>
+    <packaging>jar</packaging>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>${shade.plugin.version}</version>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                        <configuration>
+                            <finalName>benchmarks</finalName>
+                            <transformers>
+                                <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
+                                    <mainClass>org.openjdk.jmh.Main</mainClass>
+                                </transformer>
+                            </transformers>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+    <dependencies>
+        <!-- Utilities -->
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>${commons-lang3.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>${guava.version}</version>
+        </dependency>
+
+        <!-- Benchmarking -->
+        <dependency>
+            <groupId>org.openjdk.jmh</groupId>
+            <artifactId>jmh-core</artifactId>
+            <version>${jmh.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.openjdk.jmh</groupId>
+            <artifactId>jmh-generator-annprocess</artifactId>
+            <version>${jmh.version}</version>
+        </dependency>
+
+        <!-- Testing -->
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>${assertj-core.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <properties>
+        <shade.plugin.version>3.2.0</shade.plugin.version>
+
+        <commons-lang3.version>3.9</commons-lang3.version>
+        <guava.version>28.2-jre</guava.version>
+
+        <jmh.version>1.19</jmh.version>
+
+        <assertj-core.version>3.10.0</assertj-core.version>
+    </properties>
+</project>

core-java-modules/core-java-arrays-sorting/src/main/java/com/baeldung/array/SortedArrayChecker.java

@@ -1,7 +1,5 @@
 package com.baeldung.array;
 
-import com.baeldung.arraycopy.model.Employee;
-
 import java.util.Comparator;
 
 public class SortedArrayChecker {

core-java-modules/core-java-arrays-sorting/src/main/java/com/baeldung/sort/Employee.java

@@ -0,0 +1,48 @@
+package com.baeldung.sort;
+
+import java.io.Serializable;
+
+public class Employee implements Serializable {
+    private static final long serialVersionUID = -2454619097207585825L;
+    private int id;
+    private String name;
+    private int age;
+
+    public Employee() {
+    }
+
+    public Employee(int id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public Employee(int id, String name, int age) {
+        this.id = id;
+        this.name = name;
+        this.age = age;
+    }
+
+    public int getAge() {
+        return age;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setAge(int age) {
+        this.age = age;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}

core-java-modules/core-java-arrays-sorting/src/test/java/com/baeldung/array/SortedArrayCheckerUnitTest.java

@@ -1,6 +1,6 @@
 package com.baeldung.array;
 
-import com.baeldung.arraycopy.model.Employee;
+import com.baeldung.sort.Employee;
 import org.junit.Before;
 import org.junit.Test;
 

core-java-modules/core-java-arrays-sorting/src/test/java/com/baeldung/sort/ArraySortUnitTest.java

@@ -1,6 +1,5 @@
 package com.baeldung.sort;
 
-import com.baeldung.arraycopy.model.Employee;
 import org.junit.Before;
 import org.junit.Test;
 
@@ -86,5 +85,4 @@ public class ArraySortUnitTest {
 
         assertArrayEquals(new Employee[]{david, john, mary}, employees);
     }
-
 }

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

@@ -1,16 +0,0 @@
-## Core Java Arrays
-
-This module contains articles about Java arrays
-
-### Relevant Articles: 
-- [How to Copy an Array in Java](https://www.baeldung.com/java-array-copy)
-- [Check if a Java Array Contains a Value](https://www.baeldung.com/java-array-contains-value)
-- [Initializing Arrays in Java](https://www.baeldung.com/java-initialize-array)
-- [Guide to the java.util.Arrays Class](https://www.baeldung.com/java-util-arrays)
-- [Multi-Dimensional Arrays In Java](https://www.baeldung.com/java-jagged-arrays)
-- [Find Sum and Average in a Java Array](https://www.baeldung.com/java-array-sum-average)
-- [Arrays in Java: A Reference Guide](https://www.baeldung.com/java-arrays-guide)
-- [How to Reverse an Array in Java](http://www.baeldung.com/java-invert-array)
-- [Sorting Arrays in Java](https://www.baeldung.com/java-sorting-arrays)
-- [Checking If an Array Is Sorted in Java](https://www.baeldung.com/java-check-sorted-array)
-- [[More -->]](/core-java-modules/core-java-arrays-2)

core-java-modules/core-java-arrays/pom.xml

@@ -1,180 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project
-    xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-    <artifactId>core-java-arrays</artifactId>
-    <version>0.1.0-SNAPSHOT</version>
-    <name>core-java-arrays</name>
-    <packaging>jar</packaging>
-
-    <parent>
-        <groupId>com.baeldung</groupId>
-        <artifactId>parent-java</artifactId>
-        <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../../parent-java</relativePath>
-    </parent>
-
-    <dependencies>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-            <version>${commons-lang3.version}</version>
-        </dependency>
-        <!-- test scoped -->
-        <dependency>
-            <groupId>org.assertj</groupId>
-            <artifactId>assertj-core</artifactId>
-            <version>${assertj-core.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.openjdk.jmh</groupId>
-            <artifactId>jmh-core</artifactId>
-            <version>${jmh-core.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.openjdk.jmh</groupId>
-            <artifactId>jmh-generator-annprocess</artifactId>
-            <version>${jmh-generator-annprocess.version}</version>
-        </dependency>
-    </dependencies>
-
-    <build>
-        <finalName>core-java-arrays</finalName>
-        <resources>
-            <resource>
-                <directory>src/main/resources</directory>
-                <filtering>true</filtering>
-            </resource>
-        </resources>
-
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-dependency-plugin</artifactId>
-                <executions>
-                    <execution>
-                        <id>copy-dependencies</id>
-                        <phase>prepare-package</phase>
-                        <goals>
-                            <goal>copy-dependencies</goal>
-                        </goals>
-                        <configuration>
-                            <outputDirectory>${project.build.directory}/libs</outputDirectory>
-                        </configuration>
-                    </execution>
-                </executions>
-            </plugin>
-
-
-            <plugin>
-                <groupId>org.codehaus.mojo</groupId>
-                <artifactId>exec-maven-plugin</artifactId>
-                <version>${exec-maven-plugin.version}</version>
-                <configuration>
-                    <executable>java</executable>
-                    <mainClass>com.baeldung.outofmemoryerror.OutOfMemoryGCLimitExceed</mainClass>
-                    <arguments>
-                        <argument>-Xmx300m</argument>
-                        <argument>-XX:+UseParallelGC</argument>
-                        <argument>-classpath</argument>
-                        <classpath />
-                        <argument>com.baeldung.outofmemoryerror.OutOfMemoryGCLimitExceed</argument>
-                    </arguments>
-                </configuration>
-            </plugin>
-
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-javadoc-plugin</artifactId>
-                <version>${maven-javadoc-plugin.version}</version>
-                <configuration>
-                    <source>${source.version}</source>
-                    <target>${target.version}</target>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
-
-    <profiles>
-        <profile>
-            <id>integration</id>
-            <build>
-                <plugins>
-                    <plugin>
-                        <groupId>org.apache.maven.plugins</groupId>
-                        <artifactId>maven-surefire-plugin</artifactId>
-                        <executions>
-                            <execution>
-                                <phase>integration-test</phase>
-                                <goals>
-                                    <goal>test</goal>
-                                </goals>
-                                <configuration>
-                                    <excludes>
-                                        <exclude>**/*ManualTest.java</exclude>
-                                    </excludes>
-                                    <includes>
-                                        <include>**/*IntegrationTest.java</include>
-                                        <include>**/*IntTest.java</include>
-                                    </includes>
-                                </configuration>
-                            </execution>
-                        </executions>
-                        <configuration>
-                            <systemPropertyVariables>
-                                <test.mime>json</test.mime>
-                            </systemPropertyVariables>
-                        </configuration>
-                    </plugin>
-                    <plugin>
-                        <groupId>org.codehaus.mojo</groupId>
-                        <artifactId>exec-maven-plugin</artifactId>
-                        <version>${exec-maven-plugin.version}</version>
-                        <executions>
-                            <execution>
-                                <id>run-benchmarks</id>
-                                <!-- <phase>integration-test</phase> -->
-                                <phase>none</phase>
-                                <goals>
-                                    <goal>exec</goal>
-                                </goals>
-                                <configuration>
-                                    <classpathScope>test</classpathScope>
-                                    <executable>java</executable>
-                                    <arguments>
-                                        <argument>-classpath</argument>
-                                        <classpath />
-                                        <argument>org.openjdk.jmh.Main</argument>
-                                        <argument>.*</argument>
-                                    </arguments>
-                                </configuration>
-                            </execution>
-                        </executions>
-                    </plugin>
-                </plugins>
-            </build>
-        </profile>
-
-    </profiles>
-
-    <properties>
-        <!-- util -->
-        <commons-lang3.version>3.9</commons-lang3.version>
-
-        <jmh-core.version>1.19</jmh-core.version>
-        <jmh-generator-annprocess.version>1.19</jmh-generator-annprocess.version>
-
-        <!-- testing -->
-        <assertj-core.version>3.10.0</assertj-core.version>
-
-        <!-- maven and spring plugins -->
-        <maven-javadoc-plugin.version>3.0.0-M1</maven-javadoc-plugin.version>
-        <exec-maven-plugin.version>1.6.0</exec-maven-plugin.version>
-        <source.version>1.8</source.version>
-        <target.version>1.8</target.version>
-    </properties>
-
-</project>

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

@@ -9,7 +9,7 @@ This module contains articles about string operations.
 - [String toLowerCase and toUpperCase Methods in Java](https://www.baeldung.com/java-string-convert-case)
 - [Java String equalsIgnoreCase()](https://www.baeldung.com/java-string-equalsignorecase)
 - [Case-Insensitive String Matching in Java](https://www.baeldung.com/java-case-insensitive-string-matching)
-- [L-Trim and R-Trim in Java](https://www.baeldung.com/l-trim-and-r-trim-in-java)
 - [L-Trim and R-Trim Alternatives in Java](https://www.baeldung.com/java-trim-alternatives)
 - [Java Convert PDF to Base64](https://www.baeldung.com/java-convert-pdf-to-base64)
+- [Encode a String to UTF-8 in Java](https://www.baeldung.com/java-string-encode-utf-8)
 - More articles: [[<-- prev]](../core-java-string-operations)

core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/encodetoutf8/StringEncodeUnitTest.java

@@ -0,0 +1,73 @@
+package com.baeldung.encodetoutf8;
+
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import java.nio.ByteBuffer;
+import java.nio.charset.StandardCharsets;
+
+import org.apache.commons.codec.binary.StringUtils;
+import org.junit.Test;
+
+public class StringEncodeUnitTest {
+
+    @Test
+    public void givenGermanAsciiString_whenComparing_thenCompareNotEquals() {
+        String germanString = "Entwickeln Sie mit Vergnügen";
+        byte[] germanBytes = germanString.getBytes();
+
+        String asciiEncodedString = new String(germanBytes, StandardCharsets.US_ASCII);
+
+        assertNotEquals(germanString, asciiEncodedString);
+    }
+
+    @Test
+    public void givenUsAsciiString_whenComparing_thenCompareNotEquals() {
+        String englishString = "Develop with pleasure";
+        byte[] englishBytes = englishString.getBytes();
+
+        String asciiEncondedEnglishString = new String(englishBytes, StandardCharsets.US_ASCII);
+
+        assertEquals(englishString, asciiEncondedEnglishString);
+    }
+
+    /*
+     * ApacheCommonsCodecEncode
+     */
+    @Test
+    public void givenSomeUnencodedString_whenApacheCommonsCodecEncode_thenCompareEquals() {
+        String rawString = "Entwickeln Sie mit Vergnügen";
+        byte[] bytes = StringUtils.getBytesUtf8(rawString);
+
+        String utf8EncodedString = StringUtils.newStringUtf8(bytes);
+
+        assertEquals(rawString, utf8EncodedString);
+    }
+
+    /*
+     * CoreJavaEncode
+     */
+    @Test
+    public void givenSomeUnencodedString_whenCoreJavaEncode_thenCompareEquals() {
+        String rawString = "Entwickeln Sie mit Vergnügen";
+        byte[] bytes = rawString.getBytes(StandardCharsets.UTF_8);
+
+        String utf8EncodedString = new String(bytes, StandardCharsets.UTF_8);
+
+        assertEquals(rawString, utf8EncodedString);
+    }
+
+    /*
+     * Java7StandardCharsetsEncode
+     */
+    @Test
+    public void givenSomeUnencodedString_whenJava7StandardCharsetsEncode_thenCompareEquals() {
+        String rawString = "Entwickeln Sie mit Vergnügen";
+        ByteBuffer buffer = StandardCharsets.UTF_8.encode(rawString);
+
+        String utf8EncodedString = StandardCharsets.UTF_8.decode(buffer)
+            .toString();
+
+        assertEquals(rawString, utf8EncodedString);
+    }
+}

core-java-modules/core-java/src/main/java/com/baeldung/objectclass/Borrower.java

@@ -0,0 +1,23 @@
+package com.baeldung.objectclass;
+
+import lombok.Data;
+
+@Data
+public class Borrower extends User {
+    
+    private double totalLoanAmount;
+    
+    public double requestLoan(double amount) {
+        totalLoanAmount = amount;
+        return totalLoanAmount;
+    }
+    
+    public double increaseLoan(double increaseBy) {
+        return totalLoanAmount + increaseBy;
+    }
+    
+    public double payLoan(double amount) {
+        return totalLoanAmount - amount;
+    }
+
+}

core-java-modules/core-java/src/main/java/com/baeldung/objectclass/Lender.java

@@ -0,0 +1,20 @@
+package com.baeldung.objectclass;
+
+public class Lender extends User {
+    
+    private double totalInvestmentAmount;
+    
+    public double invest(double amount) {
+        totalInvestmentAmount = amount;
+        return totalInvestmentAmount;
+    }
+    
+    public double increaseInvestment(double increaseBy) {
+        return totalInvestmentAmount + increaseBy;
+    }
+    
+    public double collectDividends() {
+        return totalInvestmentAmount * 0.07;
+    }
+
+}

core-java-modules/core-java/src/main/java/com/baeldung/objectclass/User.java

@@ -0,0 +1,12 @@
+package com.baeldung.objectclass;
+
+import lombok.Data;
+
+@Data
+public class User {
+    
+    private String firstName;
+    private String lastName;
+    
+
+}

core-java-modules/core-java/src/test/java/com/baeldung/objectclass/CreditAppUnitTest.java

@@ -0,0 +1,74 @@
+package com.baeldung.objectclass;
+
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.junit.Test;
+
+public class CreditAppUnitTest {
+    
+    @Test
+    public void givenLender_whenInstanceOf_thenReturnTrue() {
+        User lender = new Lender();
+        assertTrue(lender instanceof Lender);
+        assertTrue(lender instanceof User);
+    }
+    
+    @Test
+    public void givenUser_whenInstanceOfLender_thenDowncast() {
+        User user = new Lender();
+        Lender lender = null;
+        
+        if(user instanceof Lender) {
+            lender = (Lender) user;
+        }
+        
+        assertNotNull(lender);
+    }
+    
+    @Test
+    public void givenUser_whenIsInstanceOfLender_thenDowncast() {
+        User user = new Lender();
+        Lender lender = null;
+        
+        if(Lender.class.isInstance(user)) {
+            lender = (Lender) user;
+        }
+        
+        assertNotNull(lender);
+    }
+    
+    @Test
+    public void givenBorrower_whenLoanAmountIsDouble_thenRequestLoan() {
+        Borrower borrower = new Borrower();
+        double amount = 100.0;
+        
+        //if(amount instanceof Double) // Compilation error, no autoboxing
+        if(Double.class.isInstance(amount)) {
+            borrower.requestLoan(amount);
+        }
+        assertEquals(100, borrower.getTotalLoanAmount());
+    }
+    
+    @Test
+    public void givenBorrower_whenLoanAmountIsNotString_thenRequestLoan() {
+        Borrower borrower = new Borrower();
+        Double amount = 100.0;
+        
+        //if(amount instanceof String) // Compilation error, incompatible operands
+        if(!String.class.isInstance(amount)) {
+            borrower.requestLoan(amount);
+        }
+        assertEquals(100, borrower.getTotalLoanAmount());
+    }
+    
+    @Test
+    public void givenLender_whenGetClass_thenEqualsLenderType() {
+        User lender = new Lender();
+        assertEquals(Lender.class, lender.getClass());
+        assertNotEquals(User.class, lender.getClass());
+    }
+
+}

core-java-modules/pom.xml

@@ -31,10 +31,14 @@
         <!-- <module>core-java-9-streams</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
 
         <module>core-java-annotations</module>
-        <module>core-java-arrays</module>
-        <module>core-java-arrays-2</module>
-        <module>core-java-arrays-3</module>
 
+        <module>core-java-arrays-sorting</module>
+        <module>core-java-arrays-guides</module>
+        <module>core-java-arrays-multidimensional</module>
+        <module>core-java-arrays-convert</module>
+        <module>core-java-arrays-operations-basic</module>
+        <module>core-java-arrays-operations-advanced</module>
+        
         <module>core-java-collections</module>
         <module>core-java-collections-2</module>
         <module>core-java-collections-3</module>

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/tutorial)
+- [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)

gradle/gradle-employee-app/.gitignore

@@ -0,0 +1,3 @@
+/.idea
+/.gradle
+/build

gradle/gradle-employee-app/build.gradle

@@ -0,0 +1,38 @@
+
+plugins {
+    id 'java-library'
+    id 'application'
+}
+
+apply plugin: 'application'
+mainClassName = 'employee.EmployeeApp'
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
+}
+
+println 'This is executed during configuration phase'
+
+task configured {
+    println 'The project is configured'
+}
+
+task wrapper(type: Wrapper){
+    gradleVersion = '5.3.1'
+}
+
+repositories {
+    jcenter()
+}
+
+dependencies {
+
+    compile group: 'org.apache.commons', name: 'commons-lang3', version: '3.10'
+    testImplementation('junit:junit:4.13')
+    testRuntime('junit:junit:4.13')
+}
+test {
+    useJUnit()
+}
+

gradle/gradle-employee-app/src/main/java/employee/Employee.java

@@ -0,0 +1,9 @@
+package employee;
+
+public class Employee {
+
+    String name;
+    String emailAddress;
+    int yearOfBirth;
+
+}

gradle/gradle-employee-app/src/main/java/employee/EmployeeApp.java

@@ -0,0 +1,16 @@
+package employee;
+
+public class EmployeeApp {
+
+    public static void main(String[] args){
+
+        Employee employee = new Employee();
+        employee.name = "John";
+        employee.emailAddress = "john@baeldung.com";
+        employee.yearOfBirth = 1978;
+        System.out.println("Name: " + employee.name);
+        System.out.println("Email Address: " + employee.emailAddress);
+        System.out.println("Year Of Birth:" + employee.yearOfBirth);
+    }
+
+}

gradle/gradle-employee-app/src/test/java/employee/EmployeeAppTest.java

@@ -0,0 +1,31 @@
+package employee;
+
+import employee.Employee;
+import org.junit.*;
+import static org.junit.Assert.*;
+
+public class EmployeeAppTest {
+
+    @Test
+    public void testData(){
+
+          Employee testEmp = this.getEmployeeTest();
+
+              assertEquals(testEmp.name, "John");
+              assertEquals(testEmp.emailAddress, "john@baeldung.com");
+              assertEquals(testEmp.yearOfBirth, 1978);
+
+
+    }
+
+    private Employee getEmployeeTest(){
+
+        Employee employee = new Employee();
+        employee.name = "John";
+        employee.emailAddress = "john@baeldung.com";
+        employee.yearOfBirth = 1978;
+
+        return employee;
+    }
+
+}

gradle/settings.gradle

@@ -1,10 +1,10 @@
 rootProject.name = 'gradletutorial'
 
-
 include 'greeting-library'
 include 'greeting-library-java'
 include 'greeter'
 include 'gradletaskdemo'
 include 'junit5'
+include 'gradle-employee-app'
 
 println 'This will be executed during the initialization phase.'

guava/README.md

@@ -13,3 +13,4 @@ This module contains articles a Google Guava
 - [Bloom Filter in Java using Guava](https://www.baeldung.com/guava-bloom-filter)
 - [Quick Guide to the Guava RateLimiter](https://www.baeldung.com/guava-rate-limiter)
 - [Introduction to Guava Throwables](https://www.baeldung.com/guava-throwables)
+- [Guava Cache](https://www.baeldung.com/guava-cache)

hystrix/pom.xml

@@ -8,9 +8,9 @@
 
     <parent>
         <groupId>com.baeldung</groupId>
-        <artifactId>parent-boot-1</artifactId>
+        <artifactId>parent-boot-2</artifactId>
         <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../parent-boot-1</relativePath>
+        <relativePath>../parent-boot-2</relativePath>
     </parent>
 
     <dependencies>

java-collections-maps-3/README.md

@@ -1,8 +0,0 @@
-## Java Collections Cookbooks and Examples
-
-This module contains articles about Map data structures in Java.
-
-### Relevant Articles: 
-
-- More articles: [[<-- prev>]](/../java-collections-maps)
-- More articles: [[<-- prev>]](/../java-collections-maps-2)

jee-7/pom.xml

@@ -242,6 +242,29 @@
                         </lifecycleMappingMetadata>
                     </configuration>
                 </plugin>
+                <!-- jax-ws maven plugin-->
+                <plugin> 
+                    <groupId>org.codehaus.mojo</groupId>
+                    <artifactId>jaxws-maven-plugin</artifactId>
+                    <version>2.6</version>
+                    <executions> 
+                        <execution> 
+                            <id>wsimport-from-jdk</id>
+                            <goals>
+                                <goal>wsimport</goal>
+                            </goals>
+                        </execution>
+                    </executions>
+                    <configuration>
+                        <wsdlDirectory>src/main/resources</wsdlDirectory>
+                        <wsdlFiles>
+                            <wsdlFile>country.wsdl</wsdlFile> 
+                        </wsdlFiles>
+                        <keep>true</keep> 
+                        <packageName>com.baeldung.soap.ws.client.generated</packageName> 
+                        <sourceDestDir>src/main/java</sourceDestDir>
+                    </configuration>
+                </plugin>
             </plugins>
         </pluginManagement>
     </build>

jee-7/src/main/java/com/baeldung/soap/ws/client/generated/Country.java

@@ -0,0 +1,129 @@
+
+package com.baeldung.soap.ws.client.generated;
+
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlSchemaType;
+import javax.xml.bind.annotation.XmlType;
+
+/**
+ * <p>Java class for country complex type.
+ * 
+ * <p>The following schema fragment specifies the expected content contained within this class.
+ * 
+ * <pre>
+ * &lt;complexType name="country"&gt;
+ *   &lt;complexContent&gt;
+ *     &lt;restriction base="{http://www.w3.org/2001/XMLSchema}anyType"&gt;
+ *       &lt;sequence&gt;
+ *         &lt;element name="capital" type="{http://www.w3.org/2001/XMLSchema}string" minOccurs="0"/&gt;
+ *         &lt;element name="currency" type="{http://server.ws.soap.baeldung.com/}currency" minOccurs="0"/&gt;
+ *         &lt;element name="name" type="{http://www.w3.org/2001/XMLSchema}string" minOccurs="0"/&gt;
+ *         &lt;element name="population" type="{http://www.w3.org/2001/XMLSchema}int"/&gt;
+ *       &lt;/sequence&gt;
+ *     &lt;/restriction&gt;
+ *   &lt;/complexContent&gt;
+ * &lt;/complexType&gt;
+ * </pre>
+ * 
+ * 
+ */
+@XmlAccessorType(XmlAccessType.FIELD)
+@XmlType(name = "country", propOrder = { "capital", "currency", "name", "population" })
+public class Country {
+
+    protected String capital;
+    @XmlSchemaType(name = "string")
+    protected Currency currency;
+    protected String name;
+    protected int population;
+
+    /**
+     * Gets the value of the capital property.
+     * 
+     * @return
+     *     possible object is
+     *     {@link String }
+     *     
+     */
+    public String getCapital() {
+        return capital;
+    }
+
+    /**
+     * Sets the value of the capital property.
+     * 
+     * @param value
+     *     allowed object is
+     *     {@link String }
+     *     
+     */
+    public void setCapital(String value) {
+        this.capital = value;
+    }
+
+    /**
+     * Gets the value of the currency property.
+     * 
+     * @return
+     *     possible object is
+     *     {@link Currency }
+     *     
+     */
+    public Currency getCurrency() {
+        return currency;
+    }
+
+    /**
+     * Sets the value of the currency property.
+     * 
+     * @param value
+     *     allowed object is
+     *     {@link Currency }
+     *     
+     */
+    public void setCurrency(Currency value) {
+        this.currency = value;
+    }
+
+    /**
+     * Gets the value of the name property.
+     * 
+     * @return
+     *     possible object is
+     *     {@link String }
+     *     
+     */
+    public String getName() {
+        return name;
+    }
+
+    /**
+     * Sets the value of the name property.
+     * 
+     * @param value
+     *     allowed object is
+     *     {@link String }
+     *     
+     */
+    public void setName(String value) {
+        this.name = value;
+    }
+
+    /**
+     * Gets the value of the population property.
+     * 
+     */
+    public int getPopulation() {
+        return population;
+    }
+
+    /**
+     * Sets the value of the population property.
+     * 
+     */
+    public void setPopulation(int value) {
+        this.population = value;
+    }
+
+}

jee-7/src/main/java/com/baeldung/soap/ws/client/generated/CountryService.java

@@ -0,0 +1,34 @@
+
+package com.baeldung.soap.ws.client.generated;
+
+import javax.jws.WebMethod;
+import javax.jws.WebParam;
+import javax.jws.WebResult;
+import javax.jws.WebService;
+import javax.jws.soap.SOAPBinding;
+import javax.xml.bind.annotation.XmlSeeAlso;
+import javax.xml.ws.Action;
+
+/**
+ * This class was generated by the JAX-WS RI.
+ * JAX-WS RI 2.3.2
+ * Generated source version: 2.2
+ * 
+ */
+@WebService(name = "CountryService", targetNamespace = "http://server.ws.soap.baeldung.com/")
+@SOAPBinding(style = SOAPBinding.Style.RPC)
+@XmlSeeAlso({ ObjectFactory.class })
+public interface CountryService {
+
+    /**
+     * 
+     * @param arg0
+     * @return
+     *     returns com.baeldung.soap.ws.client.generated.Country
+     */
+    @WebMethod
+    @WebResult(partName = "return")
+    @Action(input = "http://server.ws.soap.baeldung.com/CountryService/findByNameRequest", output = "http://server.ws.soap.baeldung.com/CountryService/findByNameResponse")
+    public Country findByName(@WebParam(name = "arg0", partName = "arg0") String arg0);
+
+}

jee-7/src/main/java/com/baeldung/soap/ws/client/generated/CountryServiceImplService.java

@@ -0,0 +1,91 @@
+
+package com.baeldung.soap.ws.client.generated;
+
+import java.net.MalformedURLException;
+import java.net.URL;
+import javax.xml.namespace.QName;
+import javax.xml.ws.Service;
+import javax.xml.ws.WebEndpoint;
+import javax.xml.ws.WebServiceClient;
+import javax.xml.ws.WebServiceException;
+import javax.xml.ws.WebServiceFeature;
+
+/**
+ * This class was generated by the JAX-WS RI.
+ * JAX-WS RI 2.3.2
+ * Generated source version: 2.2
+ * 
+ */
+@WebServiceClient(name = "CountryServiceImplService", targetNamespace = "http://server.ws.soap.baeldung.com/", wsdlLocation = "file:src/main/resources/country.wsdl")
+public class CountryServiceImplService extends Service {
+
+    private final static URL COUNTRYSERVICEIMPLSERVICE_WSDL_LOCATION;
+    private final static WebServiceException COUNTRYSERVICEIMPLSERVICE_EXCEPTION;
+    private final static QName COUNTRYSERVICEIMPLSERVICE_QNAME = new QName("http://server.ws.soap.baeldung.com/", "CountryServiceImplService");
+
+    static {
+        URL url = null;
+        WebServiceException e = null;
+        try {
+            url = new URL("file:src/main/resources/country.wsdl");
+        } catch (MalformedURLException ex) {
+            e = new WebServiceException(ex);
+        }
+        COUNTRYSERVICEIMPLSERVICE_WSDL_LOCATION = url;
+        COUNTRYSERVICEIMPLSERVICE_EXCEPTION = e;
+    }
+
+    public CountryServiceImplService() {
+        super(__getWsdlLocation(), COUNTRYSERVICEIMPLSERVICE_QNAME);
+    }
+
+    public CountryServiceImplService(WebServiceFeature... features) {
+        super(__getWsdlLocation(), COUNTRYSERVICEIMPLSERVICE_QNAME, features);
+    }
+
+    public CountryServiceImplService(URL wsdlLocation) {
+        super(wsdlLocation, COUNTRYSERVICEIMPLSERVICE_QNAME);
+    }
+
+    public CountryServiceImplService(URL wsdlLocation, WebServiceFeature... features) {
+        super(wsdlLocation, COUNTRYSERVICEIMPLSERVICE_QNAME, features);
+    }
+
+    public CountryServiceImplService(URL wsdlLocation, QName serviceName) {
+        super(wsdlLocation, serviceName);
+    }
+
+    public CountryServiceImplService(URL wsdlLocation, QName serviceName, WebServiceFeature... features) {
+        super(wsdlLocation, serviceName, features);
+    }
+
+    /**
+     * 
+     * @return
+     *     returns CountryService
+     */
+    @WebEndpoint(name = "CountryServiceImplPort")
+    public CountryService getCountryServiceImplPort() {
+        return super.getPort(new QName("http://server.ws.soap.baeldung.com/", "CountryServiceImplPort"), CountryService.class);
+    }
+
+    /**
+     * 
+     * @param features
+     *     A list of {@link javax.xml.ws.WebServiceFeature} to configure on the proxy.  Supported features not in the <code>features</code> parameter will have their default values.
+     * @return
+     *     returns CountryService
+     */
+    @WebEndpoint(name = "CountryServiceImplPort")
+    public CountryService getCountryServiceImplPort(WebServiceFeature... features) {
+        return super.getPort(new QName("http://server.ws.soap.baeldung.com/", "CountryServiceImplPort"), CountryService.class, features);
+    }
+
+    private static URL __getWsdlLocation() {
+        if (COUNTRYSERVICEIMPLSERVICE_EXCEPTION != null) {
+            throw COUNTRYSERVICEIMPLSERVICE_EXCEPTION;
+        }
+        return COUNTRYSERVICEIMPLSERVICE_WSDL_LOCATION;
+    }
+
+}

jee-7/src/main/java/com/baeldung/soap/ws/client/generated/Currency.java

@@ -0,0 +1,37 @@
+
+package com.baeldung.soap.ws.client.generated;
+
+import javax.xml.bind.annotation.XmlEnum;
+import javax.xml.bind.annotation.XmlType;
+
+/**
+ * <p>Java class for currency.
+ * 
+ * <p>The following schema fragment specifies the expected content contained within this class.
+ * <p>
+ * <pre>
+ * &lt;simpleType name="currency"&gt;
+ *   &lt;restriction base="{http://www.w3.org/2001/XMLSchema}string"&gt;
+ *     &lt;enumeration value="EUR"/&gt;
+ *     &lt;enumeration value="INR"/&gt;
+ *     &lt;enumeration value="USD"/&gt;
+ *   &lt;/restriction&gt;
+ * &lt;/simpleType&gt;
+ * </pre>
+ * 
+ */
+@XmlType(name = "currency")
+@XmlEnum
+public enum Currency {
+
+    EUR, INR, USD;
+
+    public String value() {
+        return name();
+    }
+
+    public static Currency fromValue(String v) {
+        return valueOf(v);
+    }
+
+}

jee-7/src/main/java/com/baeldung/soap/ws/client/generated/ObjectFactory.java

@@ -0,0 +1,38 @@
+
+package com.baeldung.soap.ws.client.generated;
+
+import javax.xml.bind.annotation.XmlRegistry;
+
+/**
+ * This object contains factory methods for each 
+ * Java content interface and Java element interface 
+ * generated in the com.baeldung.soap.ws.client.generated package. 
+ * <p>An ObjectFactory allows you to programatically 
+ * construct new instances of the Java representation 
+ * for XML content. The Java representation of XML 
+ * content can consist of schema derived interfaces 
+ * and classes representing the binding of schema 
+ * type definitions, element declarations and model 
+ * groups.  Factory methods for each of these are 
+ * provided in this class.
+ * 
+ */
+@XmlRegistry
+public class ObjectFactory {
+
+    /**
+     * Create a new ObjectFactory that can be used to create new instances of schema derived classes for package: com.baeldung.soap.ws.client.generated
+     * 
+     */
+    public ObjectFactory() {
+    }
+
+    /**
+     * Create an instance of {@link Country }
+     * 
+     */
+    public Country createCountry() {
+        return new Country();
+    }
+
+}

jee-7/src/main/java/com/baeldung/soap/ws/client/generated/package-info.java

@@ -0,0 +1,2 @@
+@javax.xml.bind.annotation.XmlSchema(namespace = "http://server.ws.soap.baeldung.com/", elementFormDefault = javax.xml.bind.annotation.XmlNsForm.QUALIFIED)
+package com.baeldung.soap.ws.client.generated;

jee-7/src/main/java/com/baeldung/soap/ws/server/Country.java

@@ -0,0 +1,41 @@
+package com.baeldung.soap.ws.server;
+
+public class Country {
+    protected String name;
+    protected int population;
+    protected String capital;
+    protected Currency currency;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public int getPopulation() {
+        return population;
+    }
+
+    public void setPopulation(int population) {
+        this.population = population;
+    }
+
+    public String getCapital() {
+        return capital;
+    }
+
+    public void setCapital(String capital) {
+        this.capital = capital;
+    }
+
+    public Currency getCurrency() {
+        return currency;
+    }
+
+    public void setCurrency(Currency currency) {
+        this.currency = currency;
+    }
+
+}

jee-7/src/main/java/com/baeldung/soap/ws/server/CountryRepository.java

@@ -0,0 +1,43 @@
+package com.baeldung.soap.ws.server;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class CountryRepository {
+
+    private static final Map<String, Country> countries = new HashMap<>();
+
+    {
+        initData();
+    }
+
+    private final static void initData() {
+        Country usa = new Country();
+        usa.setName("USA");
+        usa.setCapital("Washington D.C.");
+        usa.setCurrency(Currency.USD);
+        usa.setPopulation(323947000);
+
+        countries.put(usa.getName(), usa);
+
+        Country india = new Country();
+        india.setName("India");
+        india.setCapital("New Delhi");
+        india.setCurrency(Currency.INR);
+        india.setPopulation(1295210000);
+
+        countries.put(india.getName(), india);
+
+        Country france = new Country();
+        france.setName("France");
+        france.setCapital("Paris");
+        france.setCurrency(Currency.EUR);
+        france.setPopulation(66710000);
+
+        countries.put(france.getName(), france);
+    }
+
+    public Country findCountry(String name) {
+        return countries.get(name);
+    }
+}

jee-7/src/main/java/com/baeldung/soap/ws/server/CountryService.java

@@ -0,0 +1,15 @@
+package com.baeldung.soap.ws.server;
+
+import javax.jws.WebMethod;
+import javax.jws.WebService;
+import javax.jws.soap.SOAPBinding;
+import javax.jws.soap.SOAPBinding.Style;
+
+@WebService
+@SOAPBinding(style=Style.RPC)
+public interface CountryService {
+    
+    @WebMethod
+    Country findByName(String name);
+
+}

jee-7/src/main/java/com/baeldung/soap/ws/server/CountryServiceImpl.java

@@ -0,0 +1,15 @@
+package com.baeldung.soap.ws.server;
+
+import javax.jws.WebService;
+
+@WebService(endpointInterface = "com.baeldung.soap.ws.server.CountryService")
+public class CountryServiceImpl implements CountryService {
+
+    private CountryRepository countryRepository = new CountryRepository();
+
+    @Override
+    public Country findByName(String name) {
+        return countryRepository.findCountry(name);
+    }
+
+}

jee-7/src/main/java/com/baeldung/soap/ws/server/CountryServicePublisher.java

@@ -0,0 +1,19 @@
+package com.baeldung.soap.ws.server;
+
+import javax.xml.ws.Endpoint;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
+public class CountryServicePublisher {
+    
+    private static final Logger logger = LoggerFactory.getLogger(CountryServicePublisher.class);
+    
+    public static void main(String[] args) {
+        Endpoint endpoint = Endpoint.create(new CountryServiceImpl());
+        endpoint.publish("http://localhost:8888/ws/country");
+        
+        logger.info("Country web service ready to consume requests!");
+    }
+}

jee-7/src/main/java/com/baeldung/soap/ws/server/Currency.java

@@ -0,0 +1,15 @@
+package com.baeldung.soap.ws.server;
+
+public enum Currency {
+
+    EUR, INR, USD;
+
+    public String value() {
+        return name();
+    }
+
+    public static Currency fromValue(String v) {
+        return valueOf(v);
+    }
+
+}

jee-7/src/main/resources/country.wsdl

@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?><!-- Published by JAX-WS RI (http://jax-ws.java.net). RI's version is JAX-WS RI 2.2.9-b130926.1035 svn-revision#5f6196f2b90e9460065a4c2f4e30e065b245e51e. --><!-- Generated by JAX-WS RI (http://jax-ws.java.net). RI's version is JAX-WS RI 2.2.9-b130926.1035 svn-revision#5f6196f2b90e9460065a4c2f4e30e065b245e51e. -->
+<definitions xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" xmlns:wsp="http://www.w3.org/ns/ws-policy"
+    xmlns:wsp1_2="http://schemas.xmlsoap.org/ws/2004/09/policy" xmlns:wsam="http://www.w3.org/2007/05/addressing/metadata" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
+    xmlns:tns="http://server.ws.soap.baeldung.com/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns="http://schemas.xmlsoap.org/wsdl/"
+    targetNamespace="http://server.ws.soap.baeldung.com/" name="CountryServiceImplService">
+    <types>
+        <xsd:schema>
+            <xsd:import namespace="http://server.ws.soap.baeldung.com/" schemaLocation="http://localhost:8888/ws/country?xsd=1"></xsd:import>
+        </xsd:schema>
+    </types>
+    <message name="findByName">
+        <part name="arg0" type="xsd:string"></part>
+    </message>
+    <message name="findByNameResponse">
+        <part name="return" type="tns:country"></part>
+    </message>
+    <portType name="CountryService">
+        <operation name="findByName">
+            <input wsam:Action="http://server.ws.soap.baeldung.com/CountryService/findByNameRequest" message="tns:findByName"></input>
+            <output wsam:Action="http://server.ws.soap.baeldung.com/CountryService/findByNameResponse" message="tns:findByNameResponse"></output>
+        </operation>
+    </portType>
+    <binding name="CountryServiceImplPortBinding" type="tns:CountryService">
+        <soap:binding transport="http://schemas.xmlsoap.org/soap/http" style="rpc"></soap:binding>
+        <operation name="findByName">
+            <soap:operation soapAction=""></soap:operation>
+            <input>
+                <soap:body use="literal" namespace="http://server.ws.soap.baeldung.com/"></soap:body>
+            </input>
+            <output>
+                <soap:body use="literal" namespace="http://server.ws.soap.baeldung.com/"></soap:body>
+            </output>
+        </operation>
+    </binding>
+    <service name="CountryServiceImplService">
+        <port name="CountryServiceImplPort" binding="tns:CountryServiceImplPortBinding">
+            <soap:address location="http://localhost:8888/ws/country"></soap:address>
+        </port>
+    </service>
+</definitions>

jee-7/src/main/resources/country.xsd

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?><!-- Published by JAX-WS RI (http://jax-ws.java.net). RI's version is JAX-WS RI 2.2.9-b130926.1035 svn-revision#5f6196f2b90e9460065a4c2f4e30e065b245e51e. -->
+<xs:schema xmlns:tns="http://server.ws.soap.baeldung.com/" xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" version="1.0"
+    targetNamespace="http://server.ws.soap.baeldung.com/">
+
+    <xs:complexType name="country">
+        <xs:sequence>
+            <xs:element name="capital" type="xs:string" minOccurs="0"></xs:element>
+            <xs:element name="currency" type="tns:currency" minOccurs="0"></xs:element>
+            <xs:element name="name" type="xs:string" minOccurs="0"></xs:element>
+            <xs:element name="population" type="xs:int"></xs:element>
+        </xs:sequence>
+    </xs:complexType>
+
+    <xs:simpleType name="currency">
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="EUR"></xs:enumeration>
+            <xs:enumeration value="INR"></xs:enumeration>
+            <xs:enumeration value="USD"></xs:enumeration>
+        </xs:restriction>
+    </xs:simpleType>
+</xs:schema>

jee-7/src/test/java/com/baeldung/soap/ws/client/CountryClientLiveTest.java

@@ -0,0 +1,39 @@
+package com.baeldung.soap.ws.client;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import com.baeldung.soap.ws.client.generated.CountryService;
+import com.baeldung.soap.ws.client.generated.CountryServiceImplService;
+import com.baeldung.soap.ws.client.generated.Currency;
+
+//Ensure that com.baeldung.soap.ws.server.CountryServicePublisher is running before executing this test
+public class CountryClientLiveTest {
+
+    private static CountryService countryService;
+
+    @BeforeClass
+    public static void setup() {
+        CountryServiceImplService service = new CountryServiceImplService();
+        countryService = service.getCountryServiceImplPort();
+    }
+
+    @Test
+    public void givenCountryService_whenCountryIndia_thenCapitalIsNewDelhi() {
+        assertEquals("New Delhi", countryService.findByName("India").getCapital());
+    }
+
+    @Test
+    public void givenCountryService_whenCountryFrance_thenPopulationCorrect() {
+        assertEquals(66710000, countryService.findByName("France").getPopulation());
+    }
+
+    @Test
+    public void givenCountryService_whenCountryUSA_thenCurrencyUSD() {
+        assertEquals(Currency.USD, countryService.findByName("USA").getCurrency());
+    }
+
+
+}

jhipster-5/pom.xml

@@ -9,10 +9,10 @@
     <packaging>pom</packaging>
 
     <parent>
-        <artifactId>parent-boot-1</artifactId>
+        <artifactId>parent-boot-2</artifactId>
         <groupId>com.baeldung</groupId>
         <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../parent-boot-1</relativePath>
+        <relativePath>../parent-boot-2</relativePath>
     </parent>
 
     <modules>

jjwt/pom.xml

@@ -10,9 +10,9 @@
 
     <parent>
         <groupId>com.baeldung</groupId>
-        <artifactId>parent-boot-1</artifactId>
+        <artifactId>parent-boot-2</artifactId>
         <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../parent-boot-1</relativePath>
+        <relativePath>../parent-boot-2</relativePath>
     </parent>
 
     <dependencies>
@@ -30,6 +30,11 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-security</artifactId>
         </dependency>
+        
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
 
         <dependency>
             <groupId>io.jsonwebtoken</groupId>

jmeter/pom.xml

@@ -9,9 +9,9 @@
 
     <parent>
         <groupId>com.baeldung</groupId>
-        <artifactId>parent-boot-1</artifactId>
+        <artifactId>parent-boot-2</artifactId>
         <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../parent-boot-1</relativePath>
+        <relativePath>../parent-boot-2</relativePath>
     </parent>
 
     <dependencies>

kaniko/dockerfile

@@ -0,0 +1,2 @@
+FROM ubuntu 
+ENTRYPOINT ["/bin/bash", "-c", "echo hello"]

kaniko/pod.yaml

@@ -0,0 +1,19 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: kaniko
+spec:
+  containers:
+  - name: kaniko
+    image: gcr.io/kaniko-project/executor:latest
+    args: ["--dockerfile=/workspace/dockerfile",
+            "--context=dir://workspace",
+            "--no-push"] 
+    volumeMounts:
+      - name: dockerfile-storage
+        mountPath: /workspace
+  restartPolicy: Never
+  volumes:
+    - name: dockerfile-storage
+      persistentVolumeClaim:
+        claimName: dockerfile-claim

kaniko/volume-claim.yaml

@@ -0,0 +1,11 @@
+kind: PersistentVolumeClaim
+apiVersion: v1
+metadata:
+  name: dockerfile-claim
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 8Gi
+  storageClassName: local-storage

kaniko/volume.yaml

@@ -0,0 +1,14 @@
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: dockerfile
+  labels:
+    type: local
+spec:
+  capacity:
+    storage: 10Gi
+  accessModes:
+    - ReadWriteOnce
+  storageClassName: local-storage
+  hostPath:
+    path: /home/docker/kaniko # Path to the local mount directory that was setup