How to use setTimeZone(TimeZone zone) method of Java.util.GregorianCalendar class

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GregorianCalendarDemo.java

import java.util.GregorianCalendar;
import java.util.TimeZone;

public class GregorianCalendarDemo
{
    public static void main(String[] args)
    {
        GregorianCalendar cal = (GregorianCalendar) GregorianCalendar
                .getInstance();

        System.out.println(
                "Current Time Zone = " + cal.getTimeZone().getDisplayName());

        /*
         * Parameters:zone - the given time zone.
         */
        cal.setTimeZone(TimeZone.getTimeZone("GMT"));
       
        System.out
                .println("New Time Zone     = " + cal.getTimeZone().getDisplayName());
    }
}

Output

Current Time Zone = India Standard Time
New Time Zone     = Greenwich Mean Time

Click the below link to download the code:
https://sites.google.com/site/ramj2eev2/java_basics/GregorianCalendarDemo_setTimeZone.zip?attredirects=0&d=1

Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava_2018/GregorianCalendarDemo_setTimeZone

Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/4cfac93378c4f9d33f18bb5083115d18778294de/BasicJava_2018/GregorianCalendarDemo_setTimeZone/?at=master

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