Java SimpleDateFormat format day as "1", "01"

import java.text.SimpleDateFormat;
import java.util.Date;
 
public class Main {
 
  public static void main(String[] args) {
     Date date = new Date();
   /*from  w  w  w.ja v  a  2  s .  c  o  m*/
     //formatting day in d format like 1,2 etc
     SimpleDateFormat sdf = new SimpleDateFormat("d");
     System.out.println("Current day in d format : " + sdf.format(date));
     
     //formatting day in dd format like 01, 02 etc.

     sdf = new SimpleDateFormat("dd");
     System.out.println("Current day in dd format : " + sdf.format(date));
  }
}