Und nun als Applet: Hallo Welt

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

public class HelloWorld extends Applet {
  public void paint(Graphics test) {
    test.drawString("Hello graphic",25,50);    
  }
}

<HTML>
  <HEAD>
    <TITLE>Hello World </TITLE>
  </HEAD>
  <BODY>
    <applet codebase="." code="HelloWorld.class" width=170 height=150>
      alt="Waring Message."
    </applet>
     </BODY>
</HTML>