import java.util.Calendar; public class Main { public static void main(String[] args) { Calendar now = Calendar.getInstance(); System.out.println("Current week of month is : " + now.get(Calendar.WEEK_OF_MONTH)); System.out.println("Current week of year is : " + now.get(Calendar.WEEK_OF_YEAR)); now.add(Calendar.WEEK_OF_MONTH, 1); System.out.println("date after one year : " + (now.get(Calendar.MONTH) + 1) + "-" + now.get(Calendar.DATE) + "-" + now.get(Calendar.YEAR)); } }