package com.nishith.java.others.date;

import java.text.DateFormat;

import java.util.Calendar;

import java.util.GregorianCalendar;

public class CalendarExamples {

public static void main(String[] args) {

// Calendar is abstract

// Calendar calendar = new Calendar(); //COMPILER ERROR

Calendar calendar = Calendar.getInstance();

calendar.set(Calendar.DATE, 24);

calendar.set(Calendar.MONTH, 8);// 8 - September

calendar.set(Calendar.YEAR, 2010);

// Get information about 24th September 2010

System.out.println(calendar.get(Calendar.YEAR));// 2010

System.out.println(calendar.get(Calendar.MONTH));// 8

System.out.println(calendar.get(Calendar.DATE));// 24

System.out.println(calendar.get(Calendar.WEEK_OF_MONTH));// 4

System.out.println(calendar.get(Calendar.WEEK_OF_YEAR));// 39

System.out.println(calendar.get(Calendar.DAY_OF_YEAR));// 267

System.out.println(calendar.getFirstDayOfWeek());// 1 -> Calendar.SUNDAY

// Add/Manipulate date

calendar.add(Calendar.DATE, 5);

System.out.println(calendar.getTime());// Wed Sep 29 2010

calendar.add(Calendar.MONTH, 1);

System.out.println(calendar.getTime());// Fri Oct 29 2010

calendar.add(Calendar.YEAR, 2);

System.out.println(calendar.getTime());// Mon Oct 29 2012

// Roll method will only the change the value being modified.

// YEAR remains unaffected when MONTH is changed for instance.

calendar.roll(Calendar.MONTH, 5);

System.out.println(calendar.getTime());// Mon Mar 29 2012

// Other way of creating calendar

Calendar gregorianCalendar = new GregorianCalendar(2011, 7, 15);

// Formatting Calendar

// Done by getting the date using calendar.getTime() and

// using the usual formatting of dates.

System.out.println(DateFormat.getInstance().format(calendar.getTime()));// 3/29/12

// 11:39

// AM

}

}