How to use setTimeZone(TimeZone value) method of Java.util.calendar class

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CalendarDemo.java

import java.util.Calendar;
import java.util.TimeZone;

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

        System.out.println(
                "Before setTimeZone = " + cal.getTimeZone().getDisplayName());

        TimeZone timeZone = TimeZone.getTimeZone("GMT");

        /*
         * Parameters:
         *
         * value - the given time zone.
         */
        cal.setTimeZone(timeZone);

        System.out.println(
                "After setTimeZone  = " + cal.getTimeZone().getDisplayName());
    }
}

Output

Before setTimeZone = India Standard Time
After setTimeZone  = Greenwich Mean Time

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

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

Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/fcab7bc6a80f12c850b8ccc28d71601c94666bbb/BasicJava_2018/CalendarDemo_setTimeZone/?at=master

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