public class RemoveDuplicates {    public int removeDuplicates(int[] nums) {        int nlength = 0;        int tmp = 0;        for(int i = 0; i< nums.length; i++){            if(i >= 1){                if(tmp < nums[i]){                    nlength++;                    tmp = nums[i];                }            } else {                tmp = nums[i];                nlength++;            }        }        return nlength;    }    public static void main(String[] args) {        RemoveDuplicates rd = new RemoveDuplicates();        System.out.println(rd.removeDuplicates(new int[]{1,1,1}));    }}