new

ArrayManipulation.java

@@ -0,0 +1,29 @@
+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[] removeFirst(int[] arr) {
+    	int[] rmFirst = new int[arr.length - 1];
+    	for(int i = 0; i <= arr.length - 2; i++) {
+    		rmFirst[i] = arr[i+1];
+    	}
+    	return rmFirst;
+    }
+    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(removeFirst(arr)));
+    }
+}