Remove element- 27

public class Solution {
    public int removeElement(int[] nums, int val) {
        int start = 0, end = nums.length -1;
        while (start <= end) {
            if (nums[start] != val) {
                start ++;
                continue;
            }
            if (nums[end] == val) {
                end --;
                continue;
            }
            nums[start] = nums[end];
            start ++;
            end --;
        }
        return start;
    }
}