From 6311a27f8cb643e199fb8de060eea43d1cc7a589 Mon Sep 17 00:00:00 2001
From: Dmytro Budym <46810751+dbudim@users.noreply.github.com>
Date: Tue, 20 Jun 2023 17:53:47 +0200
Subject: [PATCH] Add code examples for "Convert Java Array to Iterable"
 (#14144)

* Add code examples for "Convert Java Array to Iterable"

* fix formatting
---
 .../IntArrayToIterableConversionUtils.java    | 28 +++++++++++++++
 ...rrayToIterableConversionUtilsUnitTest.java | 36 +++++++++++++++++++
 2 files changed, 64 insertions(+)
 create mode 100644 core-java-modules/core-java-arrays-convert/src/main/java/com/baeldung/array/conversions/IntArrayToIterableConversionUtils.java
 create mode 100644 core-java-modules/core-java-arrays-convert/src/test/java/com/baeldung/array/conversions/IntArrayToIterableConversionUtilsUnitTest.java

diff --git a/core-java-modules/core-java-arrays-convert/src/main/java/com/baeldung/array/conversions/IntArrayToIterableConversionUtils.java b/core-java-modules/core-java-arrays-convert/src/main/java/com/baeldung/array/conversions/IntArrayToIterableConversionUtils.java
new file mode 100644
index 0000000000..79f15e0ddd
--- /dev/null
+++ b/core-java-modules/core-java-arrays-convert/src/main/java/com/baeldung/array/conversions/IntArrayToIterableConversionUtils.java
@@ -0,0 +1,28 @@
+package com.baeldung.array.conversions;
+
+
+import com.google.common.primitives.Ints;
+import org.apache.commons.lang3.ArrayUtils;
+
+import java.util.Arrays;
+import java.util.stream.Collectors;
+
+public class IntArrayToIterableConversionUtils {
+
+    public static Iterable<Integer> convertWithStreamToList(int[] array) {
+        return Arrays.stream(array).boxed().collect(Collectors.toList());
+    }
+
+    public static Iterable<Integer> convertWithStreamIterator(int[] array) {
+        return () -> Arrays.stream(array).iterator();
+    }
+
+    public static Iterable<Integer> convertWithApacheCommonsAndJavaAsList(int[] array) {
+        return Arrays.asList(ArrayUtils.toObject(array));
+    }
+
+    public static Iterable<Integer> convertWithGuava(int[] array) {
+        return Ints.asList(array);
+    }
+
+}
diff --git a/core-java-modules/core-java-arrays-convert/src/test/java/com/baeldung/array/conversions/IntArrayToIterableConversionUtilsUnitTest.java b/core-java-modules/core-java-arrays-convert/src/test/java/com/baeldung/array/conversions/IntArrayToIterableConversionUtilsUnitTest.java
new file mode 100644
index 0000000000..f9d8c0db5a
--- /dev/null
+++ b/core-java-modules/core-java-arrays-convert/src/test/java/com/baeldung/array/conversions/IntArrayToIterableConversionUtilsUnitTest.java
@@ -0,0 +1,36 @@
+package com.baeldung.array.conversions;
+
+import org.junit.jupiter.api.Test;
+
+import static com.baeldung.array.conversions.IntArrayToIterableConversionUtils.*;
+import static org.junit.Assert.assertTrue;
+
+
+class IntArrayToIterableConversionUtilsUnitTest {
+
+    private int[] ints = new int[]{1, 2, 3, 4, 5};
+
+    @Test
+    void whenConvertWithStreamToList_thenGetIterable() {
+        Iterable<Integer> integers = convertWithStreamToList(ints);
+        assertTrue("should be Iterable", integers instanceof Iterable);
+    }
+
+    @Test
+    void whenConvertWithStreamIterator_thenGetIterable() {
+        Iterable<Integer> integers = convertWithStreamIterator(ints);
+        assertTrue("should be Iterable", integers instanceof Iterable);
+    }
+
+    @Test
+    void whenConvertWithApacheCommonsAndJavaAsList_thenGetIterable() {
+        Iterable<Integer> integers = convertWithApacheCommonsAndJavaAsList(ints);
+        assertTrue("should be Iterable", integers instanceof Iterable);
+    }
+
+    @Test
+    void whenConvertWithGuava_thenGetIterable() {
+        Iterable<Integer> integers = convertWithGuava(ints);
+        assertTrue("should be Iterable", integers instanceof Iterable);
+    }
+}
\ No newline at end of file