remove element

public class Solution{
	public int removeElement(int[] nums , int val){
		int len = nums.length;
		if(len == 0)
		return len;
		
		int count = 0;
		for(int i = 0 ; i < len ; i++){
			if(nums[i] != val)
			nums[count++] = nums[i];
		}
		return count;
	}
}