Version 2.1

src/ArrayManipulation.java

@@ -1,31 +1,27 @@
 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) {
     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];
-	  }
+	}
+	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;  
   }
   
@@ -33,28 +29,27 @@ public class ArrayManipulation {
     if (arr == null || arr.length==0) {
       int[] result = new int[0];
       return result;
+	}		  
+	if(arr.length == 1||arr.length == 0) {
+	  return arr;	  
 	}
-				  
-	  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;   
+	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];
+	  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;     
+	  result[a] = arr[a] * arr[a];
+	}
+	return result;     
   }
     
   public static void main(String[] args) {