dateformatdemo.java

本java源程序包括了大量的学习程序（共27章）方便大家学习

import java.text.*;
import java.util.*;
public class DateFormatDemo
{
	//显示日期
	public void showDate(Date date, int datestyle, Locale locale)
	{
		DateFormat currentDateFormat = 
	          DateFormat.getDateInstance(datestyle,locale);
		//创建DateFormat对象currentDateFormat,用来分析传入参数locale的日期格式
        String dateString = currentDateFormat.format(date);
        System.out.println("The date is: " + dateString);
	}
	//显示时间
	public void showTime(Date date, int timestyle, Locale locale)
	{
		DateFormat currentTimeFormat = 
			          DateFormat.getTimeInstance(timestyle,locale);
		String timeString = currentTimeFormat.format(date);
		System.out.println("The Time is: " + timeString);
	}
	
	public static void main(String[] args) 
	{
		int styles[] = {DateFormat.DEFAULT,
                        DateFormat.FULL,
                        DateFormat.LONG,
                        DateFormat.SHORT};
		//获得当前日期和时间
    Date date = new Date();      
		DateFormatDemo demo = new DateFormatDemo();
		//打印中国日期和时间
		System.out.println("中国:");
		demo.showDate(date, styles[0], Locale.CHINA);
		demo.showTime(date, styles[0],Locale.CHINA);
		//打印美国日期和时间
		System.out.println("美国:");
		demo.showDate(date, styles[0], Locale.US);
		demo.showTime(date, styles[0],Locale.US);
	}
}