5

The same program for an application or an applet

SquaresAndCircles  |  Starting a Swing program

Hello.java
  1. // <applet code="Hello" width="200" height="30"></applet>
  2.  
  3. import java.applet.Applet;
  4. import java.awt.*;
  5. import java.awt.event.WindowAdapter;
  6. import java.awt.event.WindowEvent;
  7.  
  8. public class Hello extends Applet {
  9.     public void init() {
  10.         add(new Label("Hello from Java!"));
  11.     }
  12.  
  13.     public static void main(String args[]) {
  14.         Frame f = new Frame("Hello");
  15.  
  16.         f.addWindowListener(new WindowAdapter() {
  17.             public void windowClosing(WindowEvent e) {
  18.                 System.exit(0);
  19.             }
  20.         });
  21.  
  22.         Hello hello = new Hello();
  23.  
  24.         hello.init();
  25.  
  26.         f.add(hello);
  27.         f.pack();
  28.         f.setSize(f.getPreferredSize());
  29.         f.setVisible(true);
  30.     }
  31. }
$ javac Hello.java
$ java Hello

$ appletviewer Hello.java

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