77 lines
1.7 KiB
Java
77 lines
1.7 KiB
Java
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import java.awt.*;
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import java.awt.event.*;
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import javax.swing.*;
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import java.util.*;
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/*
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* The main work of the application is done in this JPanel-extending class.
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* This allows the java class to be run as a stand-alone application or
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* as an applet within a web browser.
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*/
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class RetirementCalculatorPanel extends JPanel implements ActionListener
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{
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private JButton b;
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public RetirementCalculatorPanel()
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{
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setLayout(new BorderLayout());
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b = new JButton("Hi There");
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b.addActionListener(this);
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add("South", b);
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}
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public void actionPerformed(ActionEvent e)
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{
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b.setEnabled(false);
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}
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}
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/*
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* The "main" class of this file allows the app to be run as an applet
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* but also provides a "main" method to run as an application.
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*/
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public class RetirementCalculator extends JApplet
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{
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final static private String PROG_NAME = "Josh's Retirement Calculator";
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RetirementCalculatorPanel panel;
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public void init()
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{
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setLayout(new BorderLayout());
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panel = new RetirementCalculatorPanel();
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add(panel, BorderLayout.CENTER);
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}
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public void destroy()
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{
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}
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public void start()
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{
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}
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public void stop()
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{
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}
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public static void main(String[] args)
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{
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javax.swing.SwingUtilities.invokeLater(new Runnable() {
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public void run()
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{
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JFrame frame = new JFrame(PROG_NAME);
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frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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RetirementCalculatorPanel panel =
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new RetirementCalculatorPanel();
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frame.getContentPane().add(panel);
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frame.pack();
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frame.setVisible(true);
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}
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});
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}
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}
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