图片按钮，多选框，单选框

public class JButtonDemo01  extends  JFrame{
    public JButtonDemo01(){
        Container contentPane = this.getContentPane();
        URL url=JButtonDemo01.class.getResource("guo.jpg");
        Icon icon=new ImageIcon(url);
        JButton jButton01=new JButton();
        jButton01.setIcon(icon);
        jButton01.setToolTipText("");
        contentPane.add(jButton01);
        setSize(500,700);
        setVisible(true);
    }

    public static void main(String[] args) {
        new JButtonDemo01();
    }
}

单选按钮

 1 public class JButtonDemo02  extends JFrame {
 2     public JButtonDemo02(){
 3         Container contentPane = this.getContentPane();
 4         URL url=JButtonDemo01.class.getResource("guo.jpg");
 5         Icon icon=new ImageIcon(url);
 6         JRadioButton radioButton1=new JRadioButton("haha");
 7         JRadioButton radioButton2=new JRadioButton("hehe");
 8         JRadioButton radioButton3=new JRadioButton("hoho");
 9     contentPane.add(radioButton1 ,BorderLayout.NORTH );
10     contentPane.add(radioButton2,BorderLayout.CENTER);
11     contentPane.add(radioButton3,BorderLayout.SOUTH);
12 
13         setSize(500,700);
14         setVisible(true);
15     }
16 
17     public static void main(String[] args) {
18         new JButtonDemo02();
19     }