One Leetcode per day-657. Can the robot return to the origin?

class Solution {
    
    
    public boolean judgeCircle(String moves) {
    
    
        int ud = 0;
        int lr = 0;
        for(int i = 0;i < moves.length();i++){
    
    
            if(moves.charAt(i)=='U'){
    
    
                ud+=1;
            }else if(moves.charAt(i)=='D'){
    
    
                ud-=1;
            }else if(moves.charAt(i)=='L'){
    
    
                lr+=1;
            }else{
    
    
                lr-=1;
            }
        }    
        if(ud==0&&lr==0){
    
    
            return true;
        }else{
    
    
            return false;
        }
    }
}