37 lines
1.1 KiB
Java
37 lines
1.1 KiB
Java
// ui/RadioButtons.java
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// (c)2016 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
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// Using JRadioButtons.
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import javax.swing.*;
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import java.awt.*;
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import java.awt.event.*;
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import static onjava.SwingConsole.*;
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public class RadioButtons extends JFrame {
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private JTextField t = new JTextField(15);
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private ButtonGroup g = new ButtonGroup();
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private JRadioButton
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rb1 = new JRadioButton("one", false),
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rb2 = new JRadioButton("two", false),
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rb3 = new JRadioButton("three", false);
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private ActionListener al = e ->
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t.setText("Radio button " +
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((JRadioButton)e.getSource()).getText());
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public RadioButtons() {
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rb1.addActionListener(al);
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rb2.addActionListener(al);
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rb3.addActionListener(al);
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g.add(rb1); g.add(rb2); g.add(rb3);
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t.setEditable(false);
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setLayout(new FlowLayout());
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add(t);
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add(rb1);
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add(rb2);
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add(rb3);
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}
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public static void main(String[] args) {
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run(new RadioButtons(), 200, 125);
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}
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}
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