comefrom: <awangdev>Rehashing_1.java
code: public int hashcode(int key, int capacity) {
          if (key < 0) {
              return (key % capacity + capacity) % capacity;
          } else {
              return key % capacity;
          }
      }
masked: public int sample_funcname ( int var_0 , int var_1 ) {
    if ( var_0 < 0 ) {
      return ( var_0 % var_1 + var_1 ) % var_1 ;
    }
    else {
      return var_0 % var_1 ;
    }
  }
  