class Solution {
public int removeDuplicates(int[] nums) {
if(nums==null||nums.length==1){
return nums.length;
}
int i=0,j=1;
while(j

class Solution {
public int removeDuplicates(int[] nums) {
if(nums==null||nums.length==1){
return nums.length;
}
int i=0,j=1;
while(j