<awangdev>1041. Robot Bounded In Circle_1.java
public boolean judgeCircle(String moves) {
        if (moves == null || moves.length() % 2 == 1) {
            return false;
        }
        int trackX = 0;
        int trackY = 0;
        for (int i = 0; i < moves.length(); i++) {
            if (moves.charAt(i) == 'U' || moves.charAt(i) == 'D') {
                trackY += moves.charAt(i) == 'U' ? 1 : -1;
            }
            if (moves.charAt(i) == 'L' || moves.charAt(i) == 'R') {
                trackX += moves.charAt(i) == 'L' ? 1 : -1;
            }
        }
        return trackX == 0 && trackY == 0;
    }
public boolean var_0 ( String var_2 ) {
  if ( var_2 == null || var_2 . length ( ) % 2 == 1 ) {
    return false ;
  }
  int var_8 = 0 ;
  int var_9 = 0 ;
  for ( int var_10 = 0 ;
  var_10 < var_2 . length ( ) ;
  var_10 ++ ) {
    if ( var_2 . charAt ( var_10 ) == 'U' || var_2 . charAt ( var_10 ) == 'D' ) {
      var_9 += var_2 . charAt ( var_10 ) == 'U' ? 1 : - 1 ;
    }
    if ( var_2 . charAt ( var_10 ) == 'L' || var_2 . charAt ( var_10 ) == 'R' ) {
      var_8 += var_2 . charAt ( var_10 ) == 'L' ? 1 : - 1 ;
    }
  }
  return var_8 == 0 && var_9 == 0 ;
}
