BAEL-4387 Add files to handle Array to ArrayList convertion

Sebastian Luna · Sebastian Luna · commit 7e13d903c96c · 2020-07-21T21:30:17.000-05:00
diff --git a/java-collections-conversions-2/src/main/java/com/baeldung/arrayconvertion/ArrayToListConversion.java b/java-collections-conversions-2/src/main/java/com/baeldung/arrayconvertion/ArrayToListConversion.java
@@ -0,0 +1,33 @@
+package com.baeldung.arrayconvertion;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public class ArrayToListConversion {
+
+    public static void main(String[] args) {
+        System.out.println("Array.asList()");
+        arrayAsList();
+        System.out.println("\nArrayList<>(Arrays.asList())");
+        independentArray();
+    }
+
+    private static void arrayAsList() {
+        String[] stringArray = new String[] { "A", "B", "C", "D" };
+        List<String> stringList = Arrays.asList(stringArray);
+        System.out.println(stringList); // [A, B, C, D]
+        stringList.set(0, "E");
+        System.out.println(stringList); // [E, B, C, D]
+        System.out.println(Arrays.toString(stringArray)); // [E, B, C, D]
+    }
+
+    private static void independentArray() {
+        String[] stringArray = new String[] { "A", "B", "C", "D" };
+        List<String> stringList = new ArrayList<>(Arrays.asList(stringArray));
+        System.out.println(stringList); // [A, B, C, D]
+        stringList.set(0, "E");
+        System.out.println(stringList); // [E, B, C, D]
+        System.out.println(Arrays.toString(stringArray)); // [A, B, C, D]
+    }
+}
