Version 2

src/ArrayManipulation.java

@@ -9,24 +9,24 @@ public class ArrayManipulation {
       int tmp = arr[i];
       arr[i] = arr[arr.length - 1 - i];
       arr[arr.length - 1 - i] = tmp;
-      }
-      return arr;
+    }
+    return arr;
     }
   
   public static int[] removeFirst(int[] arr) {
-	if (arr == null || arr.length==0) {
+    if (arr == null || arr.length==0) {
 	  int[] result = new int[0];
 	  return result;
-	}
+	  }
 	  
-	if(arr.length == 1||arr.length == 0) {
-	  return arr;	  
-	}
-	int[] result = new int[arr.length-1];
-	for(int a=1;a<arr.length;a++) {
-	  result[a-1] = arr[a];
-	}
-	return result;  
+	  if(arr.length == 1||arr.length == 0) {
+	    return arr;	  
+	  }
+	  int[] result = new int[arr.length-1];
+	  for(int a=1;a<arr.length;a++) {
+	    result[a-1] = arr[a];
+	  }
+    return result;  
   }
   
   public static int[] removeLast(int[] arr) {
@@ -35,34 +35,33 @@ public class ArrayManipulation {
       return result;
 	}
 				  
-	if(arr.length == 1||arr.length == 0) {
-	  return arr;	  
-	}
-	int[] result = new int[arr.length-1];
-	for(int a=0;a<arr.length-1;a++) {
-	  result[a] = arr[a];
-	}
-	return result;   
+	  if(arr.length == 1||arr.length == 0) {
+	    return arr;	  
+	  }
+	  int[] result = new int[arr.length-1];
+	  for(int a=0;a<arr.length-1;a++) {
+	    result[a] = arr[a];
+	  }
+	  return result;   
   }
   
   public static int[] squareEach(int[] arr) {
     if (arr == null || arr.length==0) {
-	  int[] result = new int[0];
-	  return result;
-	}
-	int[] result = new int[arr.length];
-	for(int a=0;a<arr.length;a++) {
-	  result[a] = arr[a] * arr[a];
-	}
-	return result;   
-	  
+	    int[] result = new int[0];
+	    return result;
+	  }
+	  int[] result = new int[arr.length];
+    for(int a=0;a<arr.length;a++) {
+	    result[a] = arr[a] * arr[a];
+	  }
+	  return result;     
   }
     
   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)));
-        System.out.println(Arrays.toString(removeLast(arr)));
-        System.out.println(Arrays.toString(squareEach(arr)));
-    }
+    int[] arr = {1,2,3,4,5};
+    System.out.println(Arrays.toString(reverseArray(arr)));
+    System.out.println(Arrays.toString(removeFirst(arr)));
+    System.out.println(Arrays.toString(removeLast(arr)));
+    System.out.println(Arrays.toString(squareEach(arr)));
+  }
 }