GregorianCalendarDemo.java

import java.util.*;

public class GregorianCalendarDemo {

    public static void main(String[] args) {
        String months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
        int year;

        GregorianCalendar gcalendar = new GregorianCalendar();

        System.out.print("Date: ");
        System.out.print(months[gcalendar.get(Calendar.MONTH)]);
        System.out.print(" " + gcalendar.get(Calendar.DATE) + " ");
        System.out.println(year = gcalendar.get(Calendar.YEAR));

        System.out.print("Time: ");
        System.out.print(gcalendar.get(Calendar.HOUR) + ":");
        System.out.print(gcalendar.get(Calendar.MINUTE) + ":");
        System.out.println(gcalendar.get(Calendar.SECOND));

        if (gcalendar.isLeapYear(year)) {
            System.out.println("The current year is a leap year");
        } else {
            System.out.println("The current year is not a leap year");
        }
    }
}