threadappletdemo2.java

JAVA程序设计课程中各章节的程序实例。

/**
*Another simple thread program with applet(or shpuld I say a simple applet program with thread?:))
*I have some doubt on the output!
*2004.12.23. xhcprince
*/

import java.lang.*;
import java.applet.*;
import java.awt.*;

public class threadAppletDemo2 extends Applet
{
	private byte s;
	private boolean flag;
	private Font f;
	
	public void start()
	{
		s = 10;
		flag = false;
	}
	
	public void paint(Graphics g)
	{
		f = new Font("Arial",Font.BOLD,s);
		setFont(f);
		g.drawString("Sincerity",50,50);
		
		if(s < 60)
			flag = true;
		else if(s == 10)
			flag = false;
			
		if(flag)
			s -= 5;
		else
			s += 5;
			
		try
		{
			Thread.sleep(1000);
		}
		catch(InterruptedException e)
		{
			System.out.println(e.getMessage());
		}	
		repaint();	//useless???
	}
}
/*
<applet code = "threadAppletDemo2.class" width = 600 height = 160>
</applet>
*/