Date类常用方法

void setTime(long time)
long getTime()

package com.itheima_03;

import java.util.Date;

/*
 * Date的常用方法
 *      毫秒值 --- Date
 *          设置
 *          返回值是void，参数long
 *          void setTime(long time)  
 *          Date(long date)
 * 
 *      Date    --- 毫秒值
 *          获取
 *          返回long，无参数
 *          long getTime() 
 *      
 */
public class DateDemo2 {
    public static void main(String[] args) {
        Date d = new Date();//默认当前系统时间
//      d.setTime(1000 * 60 * 60 * 24 * 2);
        System.out.println(d.toLocaleString());
        System.out.println(d.getTime());//172800000
        
        d.setTime(172800000L);
        System.out.println(d.toLocaleString());
    }
}