/** @version 1.31 2004-02-19 @author Cay Horstmann */ import java.util.*; public class CalendarTest { public static void main(String[] args) { // construct d as current date GregorianCalendar d = new GregorianCalendar(); int today = d.get(Calendar.DAY_OF_MONTH); int month = d.get(Calendar.MONTH); // set d to start date of the month d.set(Calendar.DAY_OF_MONTH, 1); int weekday = d.get(Calendar.DAY_OF_WEEK); // get first day of week (Sunday in the U.S.) int firstDayOfWeek = d.getFirstDayOfWeek(); // indent first line of calendar for (int i = firstDayOfWeek; i < weekday; i++ ) System.out.print(" "); do { // print day int day = d.get(Calendar.DAY_OF_MONTH); System.out.printf("%3d", day); // mark current day with * if (day == today) System.out.print("*"); else System.out.print(" "); // advance d to the next day d.add(Calendar.DAY_OF_MONTH, 1); weekday = d.get(Calendar.DAY_OF_WEEK); // start a new line at the start of the week if (weekday == firstDayOfWeek) System.out.println(); } while (d.get(Calendar.MONTH) == month); // the loop exits when d is day 1 of the next month // print final end of line if necessary if (weekday != firstDayOfWeek) System.out.println(); } }