public static void main(String[] args){
boolean year = isLeapYear(9999);
System.out.println("Is Leap Year: " + year);
}
public static boolean isLeapYear(int year){
int rem4 = year % 4;
int rem100 = year % 100;
int rem400 = year % 400;
if ((year >= 1 && year <= 9999) && (rem4 == 0) && (rem100 == 0 && rem400 == 0) || (rem100 != 0) && (rem4 == 0)){
return true;
}
return false;
}
When I enter a negative year (so far only -1024) my range condition doesn't work. But if I enter any other negative leap year it works(-2020). So I don't know what I'm possibly missing, or if the structure of the algorithm is quite right. Any help will be appreciated.
What is expected is that when I enter a year that is not a leap year, and if it is a negative leap year, it returns false.
Not exactly sure, but maybe it's because when
|| (rem100 != 0) && (rem4 == 0))
returns a true
statement, your whole function returns true
, negating the whole first part of your if-statement.