Gregorian Calendar Java Example

import java.util.Date;
import java.util.GregorianCalendar;

public class CalenderTest {
 public static void main(String[] args) {
  getCurrentDate();
  addDate();
  substractDate();
  updateDate();
 }

 public static void getCurrentDate() {
  GregorianCalendar cal = (GregorianCalendar) GregorianCalendar
    .getInstance();
  Date date = cal.getTime();

  System.out.println("Current date & time is :" + date);

 }

 public static void addDate() {
  GregorianCalendar cal = (GregorianCalendar) GregorianCalendar
    .getInstance();
  cal.add((GregorianCalendar.MONTH), 2);
  cal.add((GregorianCalendar.DAY_OF_MONTH), 2);
  cal.add((GregorianCalendar.DATE), 2);
  Date date = cal.getTime();
  System.out.println("New date & time is :" + date);
 }

 public static void substractDate() {
  GregorianCalendar cal = (GregorianCalendar) GregorianCalendar
    .getInstance();
  cal.add((GregorianCalendar.MONTH), -2);
  cal.add((GregorianCalendar.DAY_OF_MONTH), -2);
  Date date = cal.getTime();
  System.out.println("New date & time is :" + date);
 }

 public static void updateDate() {
  GregorianCalendar cal = (GregorianCalendar) GregorianCalendar
    .getInstance();
  cal.set((GregorianCalendar.MONTH), 6);
  cal.set((GregorianCalendar.DAY_OF_MONTH), 10);
  cal.set((GregorianCalendar.YEAR), 2014);
  Date date = cal.getTime();
  System.out.println("Updated date & time is :" + date);
 }

}



OUTPUT:
 Current date & time is :Thu Oct 06 13:57:00 IST 2016
 New date & time is :Sat Dec 10 13:57:00 IST 2016
 New date & time is :Thu Aug 04 13:57:00 IST 2016
 Updated date & time is :Thu Jul 10 13:57:00 IST 2014

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