First Change

ArrayManipulation.java

@@ -1,7 +1,36 @@
+//coding Team 53 :)
 import java.util.Arrays;
 
 public class ArrayManipulation {
 
+
+    public static int[] removeFirst(int[] arr){
+        int[] result = new int[arr.length-1];
+        for(int i = 1; i < arr.length, i++){
+            result[i-1] = arr[i];
+        }
+        return result;
+    }
+
+    	public static int[] removeLast(int[] arr) {
+		int[] result = new int[arr.length-1];
+		for(int i = 0; i < arr.length - 1; i++) {
+			result[i] = arr[i];
+	}
+	return result;
+}
+
+
+	public static int[] squareEach(int[] arr) {
+        
+	    int[] result = new int[arr.length];
+	    for(int i = 0; i < arr.length; i++) {
+	        result[i] = arr[i] * arr[i];
+	    }
+	    return result;
+		
+	}
+
    
     public static int[] reverseArray(int[] arr) {
 
@@ -16,7 +45,12 @@ public class ArrayManipulation {
     public static void main(String[] args) {
        
         int[] arr = {1,2,3,4,5};
+        System.out.println(Arrays.toString(removeFirst(arr)));
+        System.out.println(Arrays.toString(removeLast(arr)));
+        System.out.println(Arrays.toString(squareEach(arr)));
         System.out.println(Arrays.toString(reverseArray(arr)));
+       
+		
         
     }
-}
+}