comefrom: <awangdev>One Edit Distance_1.java
code: private boolean compareStr(String s, String t, int x, int y) {
  
          return s.substring(x).equals(t.substring(y));
      }
masked: private boolean var_0 ( String var_2 , String var_3 , int var_4 , int var_5 ) {
    return var_2 . substring ( var_4 ) . equals ( var_3 . substring ( var_5 ) ) ;
  }
  