First commit

ArrayManipulation.java

@@ -0,0 +1,31 @@
+import java.util.Arrays;
+
+public class ArrayManipulation {
+
+   
+    public static int[] reverseArray(int[] arr) {
+
+        for (int i = 0; i < arr.length/2; i++) {
+            int tmp = arr[i];
+            arr[i] = arr[arr.length - 1 - i];
+            arr[arr.length - 1 - i] = tmp;
+         }
+         return arr;
+
+    }
+
+    public static int[] squareEach(int[] arr) {
+
+        for (int i = 0; i < arr.length; i++) {
+            arr[i] = arr[i] * arr[i];
+        }
+        return arr;
+    }
+    public static void main(String[] args) {
+       
+        int[] arr = {1,2,3,4,5};
+        System.out.println(Arrays.toString(reverseArray(arr)));
+        System.out.println(Arrays.toString(squareEach(arr)));
+        
+    }
+}