LeetCode: Move Zeroes

 1 public class Solution {
 2     public void moveZeroes(int[] nums) {
 3         int index = 0;
 4         int numOfZeros = 0;
 5         for (int i = 0; i < nums.length; i++)
 6         {
 7             if (nums[i] == 0)
 8             {
 9                 numOfZeros++;
10             }
11             else
12             {
13                 nums[index++] = nums[i];
14             }
15         }
16         for (int i = 0; i < numOfZeros; i++)
17         {
18             nums[nums.length-1-i] = 0;
19         }
20     }
21 }