日期操作类

//=================================================
// File Name       :	Date_demo
//------------------------------------------------------------------------------
// Author          :	Common

import java.util.Date;

//主类
//Function        : 	Date_demo
public class Date_demo {

	public static void main(String[] args) {
		// TODO 自动生成的方法存根
		Date date = new Date();										//实例化Date类对象
		System.out.println("当前日期为："+date);		//输出日期
	}

}

//=================================================
// File Name       :	Date_demo
//------------------------------------------------------------------------------
// Author          :	Common

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

//主类
//Function        : 	Date_demo
public class Calendar_demo {

	public static void main(String[] args) {
		// TODO 自动生成的方法存根
		Calendar calendar = null;							//声明一个Calendar对象
		calendar = new GregorianCalendar();		//通过子类为其实例化
		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));
	}

}