继承了 JApplet类的小应用程序的例子 import javax. swing import java. awt. " import java. awt event public class Hello JApplet extends JApplet public void init (i Container contentPane getContentPane() contentPane. add(new JLabel( Hello Java! )) 对应的HTML文件的内容为: <applet code="Hello JApplet class" width= 300 height= 200> </applet>继承了JApplet类的小应用程序的例子 import javax.swing.*; import java.awt.*; import java.awt.event.*; public class Hello_JApplet extends JApplet{ public void init ( ) { Container contentPane = getContentPane( ); contentPane.add(new JLabel("Hello Java!")); } } 对应的HTML文件的内容为： <applet code="Hello_JApplet.class" width = 300 height = 200> </applet>