Rotate Array

 1 public class Solution {
 2     public void rotate(int[] nums, int k) {
 3         int length=nums.length;
 4         if(k>length)
 5             k=k%length;
 6         
 7         int right[]=new int[k];
 8         int left[]=new int[length-k];
 9         System.arraycopy(nums, length-k, right, 0, k);
10         System.arraycopy(nums, 0, left, 0, length-k);
11         System.arraycopy(right, 0, nums, 0, right.length);
12         System.arraycopy(left, 0, nums, right.length, left.length);
13         
14 
15     }
16 }