Gregorian Calendar class in java

 GregorianCalendar class:

import java.util.*;

class GregorianCalendar

{

    public static void main(String args[])

    {

GregorianCalendar obj=new GregorianCalendar();

System.out.println(obj.get(Calendar.DATE));

System.out.println(obj.get(Calendar.MONTH));

System.out.println(obj.get(Calendar.YEAR));

System.out.println(obj.getTimeZone());

    }

}