java applet 一个简单的例子（applet+html)

[size=medium]java applet是一个类，其层次结构如下图：[/size]
[color=red]类 JApplet
java.lang.Object
java.awt.Component
java.awt.Container
java.awt.Panel
java.applet.Applet
javax.swing.JApplet[/color]
[size=medium]编写applet类，继承Applet或是JApplet，然后完成init方法，在创建一个加载applet的html页面[/size]

package ch10;

/**
   @version 1.21 2004-05-07
   @author Cay Horstmann
*/

/*
  The following HTML tags are required to display this applet in a browser:
  <applet code="NotHelloWorldApplet.class" width="300" height="100">
  </applet>
*/

import javax.swing.*;

public class NotHelloWorldApplet extends JApplet
{
   public void init()
   {
      JLabel label = new JLabel("Not a Hello, World applet", SwingConstants.CENTER);
      add(label);
   }
}

<applet code="ch10.NotHelloWorldApplet.class"
   width="300" height="100">
</applet>

[size=medium]编译applet，而后用applet查看器查看html，appletviewer .html,或者是直接打开html文件。[/size]