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

public class MonthFormat {

    public static void main(String args[]) throws ParseException{

        String s;
        Format formatter;
        Date date = new Date();
        date.setMonth(0);


        formatter = new SimpleDateFormat("M");     // 1
        s = formatter.format(date);
        System.out.println("Month : " + s);

        formatter = new SimpleDateFormat("MM");    // 01
        s = formatter.format(date);
        System.out.println("Month : " + s);

        formatter = new SimpleDateFormat("MMM");   // Jan
        s = formatter.format(date);
        System.out.println("Month : " + s);

        formatter = new SimpleDateFormat("MMMM");  // January
        s = formatter.format(date);
        System.out.println("Month : " + s);
    }
}