From daea7250978b9cbdfd271ff6e4ea0f10f0b4ee90 Mon Sep 17 00:00:00 2001
From: mdhtr <mdhtr@users.noreply.github.com>
Date: Fri, 9 Apr 2021 11:31:49 +0200
Subject: [PATCH 1/2] Create new module

---
 .../core-java-lang-oop-types-2/README.md          |  7 +++++++
 .../core-java-lang-oop-types-2/pom.xml            | 15 +++++++++++++++
 core-java-modules/pom.xml                         |  1 +
 3 files changed, 23 insertions(+)
 create mode 100644 core-java-modules/core-java-lang-oop-types-2/README.md
 create mode 100644 core-java-modules/core-java-lang-oop-types-2/pom.xml

diff --git a/core-java-modules/core-java-lang-oop-types-2/README.md b/core-java-modules/core-java-lang-oop-types-2/README.md
new file mode 100644
index 0000000000..70a0273bc4
--- /dev/null
+++ b/core-java-modules/core-java-lang-oop-types-2/README.md
@@ -0,0 +1,7 @@
+## Core Java Lang OOP - Types
+
+This module contains articles about types in Java
+
+### Relevant Articles: 
+
+-
\ No newline at end of file
diff --git a/core-java-modules/core-java-lang-oop-types-2/pom.xml b/core-java-modules/core-java-lang-oop-types-2/pom.xml
new file mode 100644
index 0000000000..5370c47279
--- /dev/null
+++ b/core-java-modules/core-java-lang-oop-types-2/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>0.0.1-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>core-java-lang-oop-types-2</artifactId>
+    <packaging>jar</packaging>
+
+</project>
\ No newline at end of file
diff --git a/core-java-modules/pom.xml b/core-java-modules/pom.xml
index d44ce97f14..1c36ed73c8 100644
--- a/core-java-modules/pom.xml
+++ b/core-java-modules/pom.xml
@@ -91,6 +91,7 @@
         <module>core-java-lang-oop-generics</module>
         <module>core-java-lang-oop-modifiers</module>
         <module>core-java-lang-oop-types</module>
+        <module>core-java-lang-oop-types-2</module>
         <module>core-java-lang-oop-inheritance</module>
         <module>core-java-lang-oop-methods</module>
         <module>core-java-lang-oop-others</module>

From d52775ff980103dee4cd64e8966465e33dba3de9 Mon Sep 17 00:00:00 2001
From: mdhtr <mdhtr@users.noreply.github.com>
Date: Fri, 9 Apr 2021 11:32:02 +0200
Subject: [PATCH 2/2] Add examples

---
 .../core-java-lang-oop-types-2/pom.xml        |  7 ++
 .../PrimitiveToObjectArrayUnitTest.java       | 81 +++++++++++++++++++
 2 files changed, 88 insertions(+)
 create mode 100644 core-java-modules/core-java-lang-oop-types-2/src/test/java/com/baeldung/conversions/PrimitiveToObjectArrayUnitTest.java

diff --git a/core-java-modules/core-java-lang-oop-types-2/pom.xml b/core-java-modules/core-java-lang-oop-types-2/pom.xml
index 5370c47279..94a04fe47b 100644
--- a/core-java-modules/core-java-lang-oop-types-2/pom.xml
+++ b/core-java-modules/core-java-lang-oop-types-2/pom.xml
@@ -12,4 +12,11 @@
     <artifactId>core-java-lang-oop-types-2</artifactId>
     <packaging>jar</packaging>
 
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>${commons-lang3.version}</version>
+        </dependency>
+    </dependencies>
 </project>
\ No newline at end of file
diff --git a/core-java-modules/core-java-lang-oop-types-2/src/test/java/com/baeldung/conversions/PrimitiveToObjectArrayUnitTest.java b/core-java-modules/core-java-lang-oop-types-2/src/test/java/com/baeldung/conversions/PrimitiveToObjectArrayUnitTest.java
new file mode 100644
index 0000000000..e0f292f26e
--- /dev/null
+++ b/core-java-modules/core-java-lang-oop-types-2/src/test/java/com/baeldung/conversions/PrimitiveToObjectArrayUnitTest.java
@@ -0,0 +1,81 @@
+package com.baeldung.conversions;
+
+import org.apache.commons.lang3.ArrayUtils;
+import org.junit.jupiter.api.Test;
+
+import java.util.Arrays;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class PrimitiveToObjectArrayUnitTest {
+
+    @Test
+    void givenUsingIteration_whenConvertingToObjects_thenSuccess() {
+        int[] input = new int[] { 0, 1, 2, 3, 4 };
+        Integer[] expected = new Integer[] { 0, 1, 2, 3, 4 };
+
+        Integer[] output = new Integer[input.length];
+        for (int i = 0; i < input.length; i++) {
+            output[i] = input[i];
+        }
+
+        assertArrayEquals(expected, output);
+    }
+
+    @Test
+    void givenUsingIteration_whenConvertingToPrimitives_thenSuccess() {
+        Integer[] input = new Integer[] { 0, 1, 2, 3, 4 };
+        int[] expected = new int[] { 0, 1, 2, 3, 4 };
+
+        int[] output = new int[input.length];
+        for (int i = 0; i < input.length; i++) {
+            output[i] = input[i];
+        }
+
+        assertArrayEquals(expected, output);
+    }
+
+    @Test
+    void givenUsingStreams_whenConvertingToObjects_thenSuccess() {
+        int[] input = new int[] { 0, 1, 2, 3, 4 };
+        Integer[] expected = new Integer[] { 0, 1, 2, 3, 4 };
+
+        Integer[] output = Arrays.stream(input)
+            .boxed()
+            .toArray(Integer[]::new);
+
+        assertArrayEquals(expected, output);
+    }
+
+    @Test
+    void givenUsingStreams_whenConvertingToPrimitives_thenSuccess() {
+        Integer[] input = new Integer[] { 0, 1, 2, 3, 4 };
+        int[] expected = new int[] { 0, 1, 2, 3, 4 };
+
+        int[] output = Arrays.stream(input)
+            .mapToInt(Integer::intValue)
+            .toArray();
+
+        assertArrayEquals(expected, output);
+    }
+
+    @Test
+    void givenUsingApacheCommons_whenConvertingToObjects_thenSuccess() {
+        int[] input = new int[] { 0, 1, 2, 3, 4 };
+        Integer[] expected = new Integer[] { 0, 1, 2, 3, 4 };
+
+        Integer[] output = ArrayUtils.toObject(input);
+
+        assertArrayEquals(expected, output);
+    }
+
+    @Test
+    void givenUsingApacheCommons_whenConvertingToPrimitives_thenSuccess() {
+        Integer[] input = new Integer[] { 0, 1, 2, 3, 4 };
+        int[] expected = new int[] { 0, 1, 2, 3, 4 };
+
+        int[] output = ArrayUtils.toPrimitive(input);
+
+        assertArrayEquals(expected, output);
+    }
+}
\ No newline at end of file