How to use constructors of Java.util.GregorianCalendar class which accepts locale and timezone

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GregorianCalendarDemo1.java

import java.util.GregorianCalendar;
import java.util.Locale;

public class GregorianCalendarDemo1
{
    public static void main(String[] args)
    {
        Locale locale = Locale.getDefault();
        System.out.println("locale = "+locale);
        /*
         * Parameters:
         *
         * aLocale - the given locale.
         */
        GregorianCalendar cal = new GregorianCalendar(locale);
        System.out.println(cal.getTime());
    }
}

Output

locale = en_US
Thu Aug 09 09:31:15 IST 2018

GregorianCalendarDemo2.java

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

public class GregorianCalendarDemo2
{
    public static void main(String[] args)
    {
        TimeZone timeZone = TimeZone.getDefault();
        System.out.println("timeZone = "+timeZone);
       
        /*
         * Parameters:
         *
         * zone - the given time zone.
         */
        GregorianCalendar cal = new GregorianCalendar(timeZone);
        System.out.println(cal.getTime());
    }
}

Output

timeZone = sun.util.calendar.ZoneInfo[id="Asia/Calcutta",offset=19800000,dstSavings=0,useDaylight=false,transitions=6,lastRule=null]
Thu Aug 09 09:31:23 IST 2018

GregorianCalendarDemo3.java

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

public class GregorianCalendarDemo3
{
    public static void main(String[] args)
    {
        TimeZone timeZone = TimeZone.getDefault();
        System.out.println("timeZone = "+timeZone);
       
        Locale locale = Locale.getDefault();
        System.out.println("locale = "+locale);

        /*
         * Parameters:
         *
         * zone - the given time zone.
         * aLocale - the given locale.
         */
        GregorianCalendar cal = new GregorianCalendar(timeZone,locale);
        System.out.println(cal.getTime());
    }
}

Output

timeZone = sun.util.calendar.ZoneInfo[id="Asia/Calcutta",offset=19800000,dstSavings=0,useDaylight=false,transitions=6,lastRule=null]
locale = en_US
Thu Aug 09 09:31:32 IST 2018

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

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

Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/9517738654fc960a41fe7bd750435376eb3e2064/BasicJava_2018/GregorianCalendarDemo_Cons_locale_timezone/?at=master

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