isLeapYear method

bool isLeapYear()

是否是闰年

Implementation

bool isLeapYear() {
  bool leapYear = false;

  bool leap = ((this % 100 == 0) && (this % 400 != 0));
  if (leap == true) {
    leapYear = false;
  } else if (this % 4 == 0) {
    leapYear = true;
  }

  return leapYear;
}