Java日历Calendar各种方法

package com.codingdict;

import java.util.*;

public class CalendarDemo {
   public static void main(String[] args) {

      // create calendar objects.
      Calendar cal = Calendar.getInstance();
      Calendar future = Calendar.getInstance();

      // print the current date
      System.out.println("Current date: " + cal.getTime());

      // change year in future calendar
      future.set(Calendar.YEAR, 2015);
      System.out.println("Year is " + future.get(Calendar.YEAR));

      // check if calendar date is after current date
      Date time = future.getTime();

      if (future.after(cal)) {
         System.out.println("Date " + time + " is after current date.");
      }
   }
}