public int findLineNumber(int pc) {
    if (myLineInfo.length >= 2) {
      for (int i = myLineInfo.length - 2; i >= 0; i -= 2) {
        if (pc >= myLineInfo[i]) {
          return myLineInfo[i + 1];
        }
      }
    }
    return -1;
  }
public int findLineNumber(int pc)