Merge pull request #8387 from catalin-burcea/BAEL-19883

[BAEL-19883] - Move articles out of core-kotlin part2

core-kotlin-2/README.md

@@ -4,9 +4,6 @@ This module contains articles about core Kotlin.
 
 ### Relevant articles:
 
-- [Void Type in Kotlin](https://www.baeldung.com/kotlin-void-type)
-- [How to use Kotlin Range Expressions](https://www.baeldung.com/kotlin-ranges)
-- [Creating a Kotlin Range Iterator on a Custom Object](https://www.baeldung.com/kotlin-custom-range-iterator)
 - [Kotlin Scope Functions](https://www.baeldung.com/kotlin-scope-functions)
 - [Kotlin Annotations](https://www.baeldung.com/kotlin-annotations)
 - [Split a List into Parts in Kotlin](https://www.baeldung.com/kotlin-split-list-into-parts)

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

@@ -0,0 +1,13 @@
+## Core Kotlin Lang
+
+This module contains articles about core features in the Kotlin language.
+
+### Relevant articles:
+- [Kotlin return, break, continue Keywords](https://www.baeldung.com/kotlin-return-break-continue)
+- [Infix Functions in Kotlin](https://www.baeldung.com/kotlin-infix-functions)
+- [Lambda Expressions in Kotlin](https://www.baeldung.com/kotlin-lambda-expressions)
+- [Creating Java static final Equivalents in Kotlin](https://www.baeldung.com/kotlin-java-static-final)
+- [Initializing Arrays in Kotlin](https://www.baeldung.com/kotlin-initialize-array)
+- [Lazy Initialization in Kotlin](https://www.baeldung.com/kotlin-lazy-initialization)
+- [Comprehensive Guide to Null Safety in Kotlin](https://www.baeldung.com/kotlin-null-safety)
+- [[<-- Prev]](/core-kotlin-modules/core-kotlin-lang)

core-kotlin-modules/core-kotlin-lang-2/pom.xml

@@ -0,0 +1,16 @@
+<?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-kotlin-lang-2</artifactId>
+    <name>core-kotlin-lang-2</name>
+    <packaging>jar</packaging>
+
+    <parent>
+        <groupId>com.baeldung.core-kotlin-modules</groupId>
+        <artifactId>core-kotlin-modules</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+
+</project>

core-kotlin-modules/core-kotlin-lang-2/src/test/java/com/baeldung/lazy/LazyJavaUnitTest.java

@@ -1,7 +1,5 @@
-package com.baeldung.kotlin;
+package com.baeldung.lazy;
 
-
-import com.baeldung.lazy.ClassWithHeavyInitialization;
 import org.junit.Test;
 
 import static junit.framework.TestCase.assertTrue;

core-kotlin-modules/core-kotlin-lang-2/src/test/kotlin/com/baeldung/arrayinitialization/ArrayInitializationTest.kt

@@ -1,4 +1,4 @@
-package com.baeldung.kotlin
+package com.baeldung.arrayinitialization
 
 import org.junit.Test
 import kotlin.test.assertEquals

core-kotlin-modules/core-kotlin-lang-2/src/test/kotlin/com/baeldung/constant/ConstantUnitTest.kt

@@ -1,5 +1,5 @@
-import com.baeldung.kotlin.constant.TestKotlinConstantClass
-import com.baeldung.kotlin.constant.TestKotlinConstantObject
+package com.baeldung.constant
+
 import org.junit.jupiter.api.Test
 import kotlin.test.assertEquals
 

core-kotlin-modules/core-kotlin-lang-2/src/test/kotlin/com/baeldung/constant/TestKotlinConstantClass.kt

@@ -1,4 +1,4 @@
-package com.baeldung.kotlin.constant
+package com.baeldung.constant
 
 
 class TestKotlinConstantClass {

core-kotlin-modules/core-kotlin-lang-2/src/test/kotlin/com/baeldung/constant/TestKotlinConstantObject.kt

@@ -1,4 +1,4 @@
-package com.baeldung.kotlin.constant
+package com.baeldung.constant
 
 
 object TestKotlinConstantObject {

core-kotlin-modules/core-kotlin-lang-2/src/test/kotlin/com/baeldung/infixfunctions/InfixFunctionsTest.kt

@@ -1,4 +1,4 @@
-package com.baeldung.kotlin
+package com.baeldung.infixfunctions
 
 import org.junit.Assert
 import org.junit.Test

core-kotlin-modules/core-kotlin-lang-2/src/test/kotlin/com/baeldung/lambda/LambdaTest.kt

@@ -6,6 +6,7 @@ import org.junit.jupiter.api.Test
 import kotlin.test.assertEquals
 
 class LambdaTest {
+
     @Test
     fun whenCallingALambda_thenPerformTheAction() {
         assertEquals(9, inferredType(3))

core-kotlin-modules/core-kotlin-lang-2/src/test/kotlin/com/baeldung/lazy/LazyUnitTest.kt

@@ -1,4 +1,4 @@
-package com.baeldung.kotlin
+package com.baeldung.lazy
 
 import org.junit.Test
 import java.util.concurrent.CountDownLatch

core-kotlin-modules/core-kotlin-lang-2/src/test/kotlin/com/baeldung/nullsafety/NullSafetyTest.kt

@@ -1,4 +1,4 @@
-package com.baeldung.kotlin
+package com.baeldung.nullsafety
 
 import org.junit.Test
 import kotlin.test.assertEquals
@@ -8,6 +8,7 @@ import kotlin.test.assertTrue
 
 
 class NullSafetyTest {
+
     @Test
     fun givenNonNullableField_whenAssignValueToIt_thenNotNeedToCheckAgainstNull() {
         //given

core-kotlin-modules/core-kotlin-lang-2/src/test/kotlin/com/baeldung/structuraljump/StructuralJumpUnitTest.kt

@@ -1,4 +1,4 @@
-package com.baeldung.kotlin
+package com.baeldung.structuraljump
 
 import org.junit.Test
 import kotlin.test.assertEquals

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

@@ -0,0 +1,16 @@
+## Core Kotlin Lang
+
+This module contains articles about core features in the Kotlin language.
+
+### Relevant articles:
+- [Guide to the “when{}” Block in Kotlin](https://www.baeldung.com/kotlin-when)
+- [Difference Between “==” and “===” Operators in Kotlin](https://www.baeldung.com/kotlin-equality-operators)
+- [Nested forEach in Kotlin](https://www.baeldung.com/kotlin-nested-foreach)
+- [Destructuring Declarations in Kotlin](https://www.baeldung.com/kotlin-destructuring-declarations)
+- [Try-with-resources in Kotlin](https://www.baeldung.com/kotlin-try-with-resources)
+- [Operator Overloading in Kotlin](https://www.baeldung.com/kotlin-operator-overloading)
+- [Inline Functions in Kotlin](https://www.baeldung.com/kotlin-inline-functions)
+- [Void Type in Kotlin](https://www.baeldung.com/kotlin-void-type)
+- [How to use Kotlin Range Expressions](https://www.baeldung.com/kotlin-ranges)
+- [Creating a Kotlin Range Iterator on a Custom Object](https://www.baeldung.com/kotlin-custom-range-iterator)
+- [[More --> ]](/core-kotlin-modules/core-kotlin-lang-2)

core-kotlin-modules/core-kotlin-lang/pom.xml

@@ -0,0 +1,16 @@
+<?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-kotlin-lang</artifactId>
+    <name>core-kotlin-lang</name>
+    <packaging>jar</packaging>
+
+    <parent>
+        <groupId>com.baeldung.core-kotlin-modules</groupId>
+        <artifactId>core-kotlin-modules</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+
+</project>

core-kotlin-modules/core-kotlin-lang/src/main/kotlin/com/baeldung/destructuringdeclarations/Sandbox.kt

@@ -1,7 +1,5 @@
 package com.baeldung.destructuringdeclarations
 
-import com.baeldung.destructuringdeclarations.Person
-
 fun main(args: Array<String>) {
 
         //2.1. Objects

core-kotlin-modules/core-kotlin-lang/src/main/kotlin/com/baeldung/equalityoperators/User.kt

@@ -1,3 +1,3 @@
-package com.baeldung.kotlin
+package com.baeldung.equalityoperators
 
 data class User(val name: String, val age: Int, val hobbies: List<String>)

core-kotlin-modules/core-kotlin-lang/src/main/kotlin/com/baeldung/inline/Inline.kt

@@ -1,4 +1,4 @@
-package com.baeldung.functions
+package com.baeldung.inline
 
 import kotlin.random.Random
 

core-kotlin-modules/core-kotlin-lang/src/main/kotlin/com/baeldung/rangeiterator/CustomColor.kt

@@ -1,4 +1,4 @@
-package com.baeldung.range
+package com.baeldung.rangeiterator
 
 import java.lang.IllegalStateException
 
@@ -8,7 +8,7 @@ class CustomColor(val rgb: Int): Comparable<CustomColor> {
         return this.rgb.compareTo(other.rgb)
     }
 
-    operator fun rangeTo(that: CustomColor) = ColorRange(this,that)
+    operator fun rangeTo(that: CustomColor) = ColorRange(this, that)
 
     operator fun inc(): CustomColor {
         return CustomColor(rgb + 1)

core-kotlin-modules/core-kotlin-lang/src/main/kotlin/com/baeldung/whenblock/WhenBlockTypes.kt

@@ -1,4 +1,4 @@
-package com.baeldung.kotlin
+package com.baeldung.whenblock
 
 enum class UnixFileType {
     D, HYPHEN_MINUS, L

core-kotlin-modules/core-kotlin-lang/src/test/kotlin/com/baeldung/equalityoperators/EqualityTest.kt

@@ -1,4 +1,4 @@
-package com.baeldung.kotlin
+package com.baeldung.equalityoperators
 
 import org.junit.Test
 import kotlin.test.assertFalse

core-kotlin-modules/core-kotlin-lang/src/test/kotlin/com/baeldung/rangeiterator/CustomColorTest.kt

@@ -1,4 +1,4 @@
-package com.baeldung.range
+package com.baeldung.rangeiterator
 
 import org.junit.Test
 import java.lang.IllegalStateException

core-kotlin-modules/core-kotlin-lang/src/test/kotlin/com/baeldung/trywithresource/UseTest.kt

@@ -1,4 +1,4 @@
-package com.baeldung.kotlin
+package com.baeldung.trywithresource
 
 import org.junit.Test
 import java.beans.ExceptionListener

core-kotlin-modules/core-kotlin-lang/src/test/kotlin/com/baeldung/whenblock/WhenBlockUnitTest.kt

@@ -1,4 +1,4 @@
-package com.baeldung.kotlin
+package com.baeldung.whenblock
 
 import org.junit.Assert.assertEquals
 import org.junit.Assert.assertTrue

core-kotlin-modules/pom.xml

@@ -17,6 +17,8 @@
     <modules>
         <module>core-kotlin-annotations</module>
         <module>core-kotlin-io</module>
+        <module>core-kotlin-lang</module>
+        <module>core-kotlin-lang-2</module>
         <module>core-kotlin-strings</module>
     </modules>
 

core-kotlin/README.md

@@ -5,14 +5,9 @@ This module contains articles about core Kotlin.
 ### Relevant articles:
 
 - [Introduction to the Kotlin Language](https://www.baeldung.com/kotlin)
-- [Guide to the “when{}” Block in Kotlin](https://www.baeldung.com/kotlin-when)
-- [Comprehensive Guide to Null Safety in Kotlin](https://www.baeldung.com/kotlin-null-safety)
 - [Kotlin Java Interoperability](https://www.baeldung.com/kotlin-java-interoperability)
-- [Difference Between “==” and “===” operators in Kotlin](https://www.baeldung.com/kotlin-equality-operators)
 - [Generics in Kotlin](https://www.baeldung.com/kotlin-generics)
 - [Introduction to Kotlin Coroutines](https://www.baeldung.com/kotlin-coroutines)
-- [Destructuring Declarations in Kotlin](https://www.baeldung.com/kotlin-destructuring-declarations)
-- [Lazy Initialization in Kotlin](https://www.baeldung.com/kotlin-lazy-initialization)
 - [Overview of Kotlin Collections API](https://www.baeldung.com/kotlin-collections-api)
 - [Converting a List to Map in Kotlin](https://www.baeldung.com/kotlin-list-to-map)
 - [Data Classes in Kotlin](https://www.baeldung.com/kotlin-data-classes)
@@ -20,12 +15,9 @@ This module contains articles about core Kotlin.
 - [Sealed Classes in Kotlin](https://www.baeldung.com/kotlin-sealed-classes)
 - [JUnit 5 for Kotlin Developers](https://www.baeldung.com/junit-5-kotlin)
 - [Extension Methods in Kotlin](https://www.baeldung.com/kotlin-extension-methods)
-- [Infix Functions in Kotlin](https://www.baeldung.com/kotlin-infix-functions)
-- [Try-with-resources in Kotlin](https://www.baeldung.com/kotlin-try-with-resources)
 - [Regular Expressions in Kotlin](https://www.baeldung.com/kotlin-regular-expressions)
 - [Objects in Kotlin](https://www.baeldung.com/kotlin-objects)
 - [Filtering Kotlin Collections](https://www.baeldung.com/kotlin-filter-collection)
-- [Lambda Expressions in Kotlin](https://www.baeldung.com/kotlin-lambda-expressions)
 - [Working with Enums in Kotlin](https://www.baeldung.com/kotlin-enum)
 - [Create a Java and Kotlin Project with Maven](https://www.baeldung.com/kotlin-maven-java-project)
 - [Reflection with Kotlin](https://www.baeldung.com/kotlin-reflection)
@@ -37,21 +29,15 @@ This module contains articles about core Kotlin.
 - [Fuel HTTP Library with Kotlin](https://www.baeldung.com/kotlin-fuel)
 - [Introduction to Kovenant Library for Kotlin](https://www.baeldung.com/kotlin-kovenant)
 - [Converting Kotlin Data Class from JSON using GSON](https://www.baeldung.com/kotlin-json-convert-data-class)
-- [Kotlin return, break, continue Keywords](https://www.baeldung.com/kotlin-return-break-continue)
 - [Mapping of Data Objects in Kotlin](https://www.baeldung.com/kotlin-data-objects)
-- [Initializing Arrays in Kotlin](https://www.baeldung.com/kotlin-initialize-array)
 - [Threads vs Coroutines in Kotlin](https://www.baeldung.com/kotlin-threads-coroutines)
 - [Guide to Kotlin Interfaces](https://www.baeldung.com/kotlin-interfaces)
 - [Guide to Sorting in Kotlin](https://www.baeldung.com/kotlin-sort)
 - [Dependency Injection for Kotlin with Injekt](https://www.baeldung.com/kotlin-dependency-injection-with-injekt)
 - [Implementing a Binary Tree in Kotlin](https://www.baeldung.com/kotlin-binary-tree)
 - [Kotlin Contracts](https://www.baeldung.com/kotlin-contracts)
-- [Operator Overloading in Kotlin](https://www.baeldung.com/kotlin-operator-overloading)
 - [Inline Classes in Kotlin](https://www.baeldung.com/kotlin-inline-classes)
-- [Creating Java static final Equivalents in Kotlin](https://www.baeldung.com/kotlin-java-static-final)
-- [Nested forEach in Kotlin](https://www.baeldung.com/kotlin-nested-foreach)
 - [Building DSLs in Kotlin](https://www.baeldung.com/kotlin-dsl)
 - [Static Methods Behavior in Kotlin](https://www.baeldung.com/kotlin-static-methods)
-- [Inline Functions in Kotlin](https://www.baeldung.com/kotlin-inline-functions)
 - [Delegation Pattern in Kotlin](https://www.baeldung.com/kotlin-delegation-pattern)
 - More articles: [[next -->]](/core-kotlin-2)