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@SiAust
Created March 23, 2019 15:31
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Takes an input year and returns whether the year is a leap year.
public class NumberOfDaysInMonth {
public static boolean isLeapYear(int year){
boolean isLeapYear = false;
if (year < 1 || year > 9999){
return false;
}
if (year % 4 == 0){
if (year % 100 == 0){
isLeapYear = false;
} else {
isLeapYear = true;
}
}
if (year % 400 == 0) {
isLeapYear = true;
}
return isLeapYear;
}
public static int getDaysInMonth(int month, int year){
int days = 0;
if (month < 1 || month >12){
return -1;
}
if (year < 1 || year > 9999){
return -1;
}
if (isLeapYear(year)){
switch (month){
case 1: case 3: case 5: case 7: case 8: case 10: case 12:
days = 31;
break;
case 2:
days = 29;
break;
case 4: case 6: case 9: case 11:
days = 30;
break;
}
} else {
switch (month){
case 1: case 3: case 5: case 7: case 8: case 10: case 12:
days = 31;
break;
case 2:
days = 28;
break;
case 4: case 6: case 9: case 11:
days = 30;
break;
}
}
return days;
}
}
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