How to add JCheckBox to JButton in Swing?

Screenshot of JCheckBox on JButton
Yeah! Adding JCheckBox to JButton is really gonna be simple, nothing more than 4 lines of code. Yes, it is. I said it right!! You need to check out the program, to know what is written over there. Three methods in JCheckBox you shouldn't forget are setOpaque(), setIcon() and setSelectedIcon(). Of course, there are other methods too which you must not forget, but these three are what we will be using here. And the beauty JButton stores the tiny JCheckBox in stomach.


import javax.swing.*;
import java.awt.*;
class JCheckBoxOnJButton extends JFrame
{
JCheckBox jc;
JButton jb;

    public JCheckBoxOnJButton()
    {
        createAndShowGUI();
    }
   
    private void createAndShowGUI()
    {
        setTitle("JCheckBox on JButton");
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        setLayout(new FlowLayout());
       
       
        jc=new JCheckBox("Check me");
       
        // Set non-opaque, so that background
        // isn't visible
        jc.setOpaque(false);
       
        // Set icon, selected icon (optional)
        jc.setIcon(new ImageIcon("unchecked.gif"));
        jc.setSelectedIcon(new ImageIcon("checked.gif"));
       
        // Just to remove text outline for JCheckBox
        jc.setFocusPainted(false);
       
        // Create JButton, with no text
        jb=new JButton();
       
        // Set a layout
        jb.setLayout(new GridBagLayout());
       
        // Add JCheckBox to JButton
        jb.add(jc);
       
       
        // Add the JButton
        add(jb);
       
        setSize(400,400);
        setVisible(true);
    }
   
    public static void main(String args[])
    {
        new JCheckBoxOnJButton();
    }
}

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Tags: Swing Hacks,