Wu Yuxiong - born naturally develop common java class library study notes: date operating class Data, Calendar

Import java.util.Date;
 public  class DateDemo01 {
     public  static  void main (String args []) { 
        Date DATE = new new Date ();     // instantiated directly Date object 
        System.out.println ( "the current date:" + DATE); 
    } 
};

import java.util.* ;
public class DateDemo02{
    public static void main(String args[]){
        Calendar calendar = new GregorianCalendar();    // 实例化Calendar类对象
        System.out.println("YEAR: " + calendar.get(Calendar.YEAR));
        System.out.println("MONTH: " + (calendar.get(Calendar.MONTH) + 1));
        System.out.println("DAY_OF_MONTH: " + calendar.get(Calendar.DAY_OF_MONTH));
        System.out.println("HOUR_OF_DAY: " + calendar.get(Calendar.HOUR_OF_DAY));
        System.out.println("MINUTE: " + calendar.get(Calendar.MINUTE));
        System.out.println("SECOND: " + calendar.get(Calendar.SECOND));
        System.out.println("MILLISECOND: " + calendar.get(Calendar.MILLISECOND));
    }
};