public class Main {
public static void main(String[] args) {
int year = 2024;
int month = 2;
System.out.println("Days in month: " + daysInMonth(year, month));
System.out.println("Days in month: " + daysInMonth(2025, 1));
System.out.println("Days in month: " + daysInMonth(2025, 2));
System.out.println("Days in month: " + daysInMonth(2025, 4));
}
public static boolean isLeapYear(int year) {
return (year % 4 == 0 && year % 100 != 0) || (year % 400 == 0);
}
public static int daysInMonth(int year, int month) {
int[] days = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
if (month == 2 && isLeapYear(year)) {
return 29;
}
return days[month - 1];
}
}
/*
run:
Days in month: 29
Days in month: 31
Days in month: 28
Days in month: 30
*/
