Button2.java Source code

Introduction

Here is the source code for Button2.java

Source

// : c14:Button2.java
// Responding to button presses.
// <applet code=Button2 width=200 height=75></applet>
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.

import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JApplet;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JTextField;

public class Button2 extends JApplet {
    private JButton b1 = new JButton("Button 1"), b2 = new JButton("Button 2");

    private JTextField txt = new JTextField(10);

    class ButtonListener implements ActionListener {
        public void actionPerformed(ActionEvent e) {
            String name = ((JButton) e.getSource()).getText();
            txt.setText(name);
        }
    }

    private ButtonListener bl = new ButtonListener();

    public void init() {
        b1.addActionListener(bl);
        b2.addActionListener(bl);
        Container cp = getContentPane();
        cp.setLayout(new FlowLayout());
        cp.add(b1);
        cp.add(b2);
        cp.add(txt);
    }

    public static void main(String[] args) {
        run(new Button2(), 200, 75);
    }

    public static void run(JApplet applet, int width, int height) {
        JFrame frame = new JFrame();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.getContentPane().add(applet);
        frame.setSize(width, height);
        applet.init();
        applet.start();
        frame.setVisible(true);
    }
} ///:~