Chapter 10, Problem 21E

Program Plan Intro

  Given program

    import java.util.ArrayList;

    import java.util.Collections;

    // Declare CalendarDateDemo

    public class CalendarDateDemo

    {

        public static void main(String[] args)

        {

            //Declare variables

CalendarDate cd1 = new CalendarDate(2, 2, 2001);

CalendarDate cd2 = new CalendarDate(7, 18, 1995);

CalendarDate cd3 = new CalendarDate(1, 30, 1995);

CalendarDate cd4 = new CalendarDate(2, 1, 2001);

            ArrayList calendarDates = new ArrayList();

            calendarDates.add(cd1);

            calendarDates.add(cd2);

            calendarDates.add(cd3);

            calendarDates.add(cd4);

            //Print the statement

System.out.println("Calendar dates in the list before sorting: " + calendarDates);

            Collections.sort(calendarDates);

System.out.println("Calendar dates in the list after sorting: "    + calendarDates);

        }

    }