一个用JAVA编写的洗澡提醒程序，对话框练习，程序员也可以逗女朋友玩

通过Java程序实现用户输入的洗澡时间提醒功能，确保用户准时完成个人卫生。程序包含输入验证、时间比较及提醒显示等关键步骤。

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import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import javax.swing.JOptionPane;


public class SecondSample {
	public static void main(String[] args)
	{
		
		String setTime = null;
		setTime=JOptionPane.showInputDialog(null, "你是打算  hh:mm 去洗澡阿？\n（例如:08:30）");
		checkInput bb = new checkInput(setTime);
		int hour=bb.returnHour();
		int minute=bb.returnMinute();
		//System.out.println(setTime);
		
		while(true)
		{
			GregorianCalendar d= new GregorianCalendar();
			if((d.get(Calendar.HOUR_OF_DAY)>=hour) && (d.get(Calendar.MINUTE)>=minute))
			{
				remaidWindow ppp=new remaidWindow(d.get(Calendar.HOUR_OF_DAY),d.get(Calendar.MINUTE));
				JOptionPane.showMessageDialog(null,"已经  "+d.get(Calendar.HOUR_OF_DAY)+":"+d.get(Calendar.MINUTE)+" 了，快给我滚去洗澡", "Now is :", JOptionPane.PLAIN_MESSAGE);
				ppp.remaidShow();
				break;
			}
			
		}
		//ppp.remaidShow();
		System.exit(0);
	}

}
class remaidWindow
{
	public remaidWindow (int hour, int miniute)
	{
		d=hour+":"+miniute;
	}
	public void remaidShow()
	{
		JOptionPane.showMessageDialog(null,"还点个毛线，知道你就要点了不去，点不点都得去，都  "+d+" 了，快去！！！", "Again :", JOptionPane.PLAIN_MESSAGE);
		JOptionPane.showMessageDialog(null,"咋地，还管不了你了，还点！", "Again :", JOptionPane.PLAIN_MESSAGE);
		JOptionPane.showMessageDialog(null,"点毛线了点，小样，你还能把我点完了！", "Again :", JOptionPane.PLAIN_MESSAGE);
		JOptionPane.showMessageDialog(null,"接着点啊，咋不点了，快洗澡去！！！", "Again :", JOptionPane.PLAIN_MESSAGE);
	}
	private String d;
}
class checkInput
{
	public checkInput (String asetTime)
	{
		Pattern pattern = Pattern.compile("[\\d{2}]:[\\d{2}]");
		Matcher matcher = pattern.matcher(asetTime);
		boolean checkNum=matcher.find();
		//System.out.println(checkNum);
		if (checkNum){
			String setTimeHour=asetTime.substring(0,2);
			String setTimeMinute=asetTime.substring(3,5);		
			hour=Integer.parseInt(setTimeHour);
			minute=Integer.parseInt(setTimeMinute);
//			System.out.println(hour);
//			System.out.println(minute);
		}
		else{
			JOptionPane.showMessageDialog(null,"格式错了，要写成18:30这样的，重启动吧！", "格式警告！！！", JOptionPane.ERROR_MESSAGE);
			System.exit(0);
		}
		
		if (hour>24||minute>59)
		{
			JOptionPane.showMessageDialog(null,"小逗比，这是你家自创的时间吧！"+"\n"+"重新启动吧", "警告:使用者智商太低！", JOptionPane.ERROR_MESSAGE);
			System.exit(0);
		}
	}
	public int returnHour()
	{
		return hour;
	}
	public int returnMinute()
	{
		return minute;
	}
	private int hour, minute;
}