Add week to current date using Calendar add method in Java

/*from w w  w  .  ja  v  a 2s.  com*/
import java.util.Calendar;

public class Main {

  public static void main(String[] args) {
    Calendar now = Calendar.getInstance();

    System.out.println("Current date : " + (now.get(Calendar.MONTH) + 1) + "-"
        + now.get(Calendar.DATE) + "-" + now.get(Calendar.YEAR));

    System.out.println("Current week of month is : " + now.get(Calendar.WEEK_OF_MONTH));
    System.out.println("Current week of year is : " + now.get(Calendar.WEEK_OF_YEAR));

    

    now.add(Calendar.WEEK_OF_YEAR, 1);
    System.out.println("date after one week : " + (now.get(Calendar.MONTH) + 1) + "-"
        + now.get(Calendar.DATE) + "-" + now.get(Calendar.YEAR));
  }
}