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/* Add or substract weeks to current date using Java Calendar This example shows how to add or substract weeks in current date and time values using Java Calendar class. */ import java.util.Calendar; public class AddWeeksToCurrentWeek { public static void main(String[] args) { //create Calendar instance Calendar now = Calendar.getInstance(); System.out.println("Current date : " + (now.get(Calendar.MONTH) + 1) + "-" + now.get(Calendar.DATE) + "-" + now.get(Calendar.YEAR)); 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)); //add week to current date using Calendar.add method now.add(Calendar.WEEK_OF_YEAR,1); System.out.println("date after one week : " + (now.get(Calendar.MONTH) + 1) + "-" + now.get(Calendar.DATE) + "-" + now.get(Calendar.YEAR)); //substract week from current date now =Calendar.getInstance(); now.add(Calendar.WEEK_OF_YEAR,-50); System.out.println("date before 50 weeks : " + (now.get(Calendar.MONTH) + 1) + "-" + now.get(Calendar.DATE) + "-" + now.get(Calendar.YEAR)); } } /* Typical output would be Current date : 12-25-2007 Current week of month is : 5 Current week of year is : 52 date after one week : 1-1-2008 date before 50 weeks : 1-9-2007 */ |
very use full . thank you