comefrom: <awangdev>843. Guess the Word_1.java
code: private int countMatch(String a, String b) {
  
          int count = 0;
          for (int i = 0; i < 6; i++) {
              if (a.charAt(i) == b.charAt(i)) count++;
          }
          return count;
      }
masked: private int sample_funcname ( String var_0 , String var_1 ) {
    int var_2 = 0 ;
    for ( int var_3 = 0 ;
    var_3 < 6 ;
    var_3 ++ ) {
      if ( var_0 . charAt ( var_3 ) == var_1 . charAt ( var_3 ) ) var_2 ++ ;
    }
    return var_2 ;
  }
  