Java tutorial
import java.util.*; public class Main extends GregorianCalendar { public static void main(String[] args) { Main cal = new Main(); // set a new year cal.set(GregorianCalendar.YEAR, 1992); System.out.println(cal.getTime()); // compute fields and print the date cal.computeFields(); System.out.println(cal.getTime()); } }