26-remove-duplicates-from-sorted-array

class Solution {
    public int removeDuplicates(int[] nums) {
        int current = 1;
        
        for(int i=0; i<nums.length-1; i++){
            if(nums[i]!=nums[i+1]){
                nums[current++] = nums[i+1];
                
            }
        }
        
        return current; 
    }
}