S O U R C E C O D E
/ 1997 / 08
/ java
/ 2.lst
//: Button2NewB.java
* An application and an Applet
import java.awt.*;
import java.awt.event.*; // Must add this
import java.applet.*;
public class Button2NewB extends Applet {
Button b1, b2;
TextField t = new TextField(20);
public void init() {
b1 = new Button("Button 1");
b2 = new Button("Button 2");
b1.addActionListener(new B1());
b2.addActionListener(new B2());
add(b1);
add(b2);
add(t);
class B1 implements ActionListener {
public void actionPerformed(ActionEvent e) {
t.setText("Button 1");
}
class B2 implements ActionListener {
public void actionPerformed(ActionEvent e) {
t.setText("Button 2");
}
// To close the application:
static class WL extends WindowAdapter {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
// A main() for the application:
public static void main(String args[]) {
Button2NewB applet = new Button2NewB();
Frame aFrame = new Frame("Button2NewB");
aFrame.addWindowListener(new WL());
aFrame.add("Center", applet);
aFrame.setSize(300,200);
applet.init();
applet.start();
aFrame.setVisible(true);
} ///:~
|
home
|
current issue
|
archives
|
source code
|
demo express
|
events
|
search
|
editorial calendar
|
advertising
|
customer service
|
author guidelines
|
jobs
|
about
Entire contents copyright 1996-2000 CMP Media Inc.
Read our privacy policy.