Java tutorial
import java.util.Calendar; public class Main { public static void main(String[] args) { Calendar cal = Calendar.getInstance(); // display the current date and time System.out.println("Current Calendar Date: " + cal.getTime()); // use clear method to set year as undefined. cal.clear(Calendar.YEAR); // print the result System.out.println("The calendar shows : " + cal.getTime()); // use clear method to set month as undefined. cal.clear(Calendar.MONTH); System.out.println("The calendar shows : " + cal.getTime()); } }