java Calendar（将时间精确到毫秒）

package com.neusoft.date;

import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

public class RiQi
{
  public static void main(String []args){
      System.out.println(new Date());
      //calendar可以将时间精确到毫秒
      Calendar calendar = new GregorianCalendar();
      System.out.println("年："+calendar.get(Calendar.YEAR));
      System.out.println("月："+(calendar.get(Calendar.MONTH)+1));
      System.out.println("日："+calendar.get(Calendar.DAY_OF_MONTH));
      System.out.println("时："+calendar.get(Calendar.HOUR_OF_DAY));
      System.out.println("分："+calendar.get(Calendar.MINUTE));
      System.out.println("秒："+calendar.get(Calendar.SECOND));
      System.out.println("毫秒："+calendar.get(Calendar.MILLISECOND));
  }
}