單選框按鈕

package Lesson05;

import javax.swing.*;
import java.awt.*;
import java.net.URL;

public class JButtonDemo02 extends JFrame {

    public JButtonDemo02() { 
        Container container = this.getContentPane();
        URL url = JButtonDemo.class.getResource("tx.jpg");
        Icon icon = new ImageIcon(url);

        JRadioButton radioButton01 = new JRadioButton("JRadioButton01");
        JRadioButton radioButton02 = new JRadioButton("JRadioButton02");
        JRadioButton radioButton03 = new JRadioButton("JRadioButton03");

        ButtonGroup group = new ButtonGroup();
        group.add(radioButton01);
        group.add(radioButton02);
        group.add(radioButton03);

        container.add(radioButton01,BorderLayout.CENTER);
        container.add(radioButton02,BorderLayout.SOUTH);
        container.add(radioButton03,BorderLayout.NORTH);

        this.setVisible(true);
        this.setBounds(100,100,350,350);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    }

    public static void main(String[] args) {
        new JButtonDemo02();
    }
}

複選框按鈕

package Lesson05;

import javax.swing.*;
import java.awt.*;
import java.net.URL;

public class JButtonDemo03 extends JFrame {

    public JButtonDemo03() {
        Container container = this.getContentPane();
        URL url = JButtonDemo.class.getResource("tx.jpg");
        Icon icon = new ImageIcon(url);

        JButton button = new JButton();
        button.setIcon(icon);
        container.add(button);

        // 多選框
        JCheckBox checkBox01 = new JCheckBox("checkBox01");
        JCheckBox checkBox02 = new JCheckBox("checkBox02");

        container.add(checkBox01,BorderLayout.NORTH);
        container.add(checkBox02,BorderLayout.SOUTH);

        this.setVisible(true);
        this.setBounds(100, 100, 350, 350);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    }

    public static void main(String[] args) {
        new JButtonDemo03();
    }
}