how to get date format in string from date object containing real date in java

import java.util.*;
import java.text.*;

class DateFormatExample 
{
    public static void main(String[] args) 
    {
        Date date=new Date();
        SimpleDateFormat sdf1=new SimpleDateFormat("MMMM, yyyy");
        String datetext1=sdf1.format(date);
        System.out.println(datetext1);

        SimpleDateFormat sdf2=new SimpleDateFormat("yyyy");
        String datetext2=sdf2.format(date);
        System.out.println(datetext2);

        SimpleDateFormat sdf3=new SimpleDateFormat("EEEE, MMMM d, yyyy");
        String datetext3=sdf3.format(date);
        System.out.println(datetext3);

        SimpleDateFormat sdf4=new SimpleDateFormat("dd-MM-yyyy HH:mm:ss");
        String datetext4=sdf4.format(date);
        System.out.println(datetext4);
    }
}