dcsimg
Login | Register   
RSS Feed
Download our iPhone app
TODAY'S HEADLINES  |   ARTICLE ARCHIVE  |   FORUMS  |   TIP BANK
Browse DevX
Sign up for e-mail newsletters from DevX

By submitting your information, you agree that devx.com may send you DevX offers via email, phone and text message, as well as email offers about other products and services that DevX believes may be of interest to you. DevX will process your information in accordance with the Quinstreet Privacy Policy.


Tip of the Day
Language: Java
Expertise: Intermediate
Oct 29, 1998

WEBINAR:

On-Demand

Application Security Testing: An Integral Part of DevOps


Creating Radio Buttons Using Swing

Radio buttons behave in the same mutually exclusive way in Swing and the AWT. However, the way that you create a set of radio buttons differs significantly between Swing and the AWT. To create a set of radio buttons in Swing, you must instantiate the buttons, instantiate a ButtonGroup object, and add the buttons to the ButtonGroup object. With the AWT, you must create a group object and pass it to the constructor for the buttons when they are instantiated. This code was tested using JDK1.1.6 and Swing 1.0.3 under Win95.
 
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import com.sun.java.swing.*;
//=======================================================//
public class SwingRadioButton01 extends JFrame{
	public static void main(String[] args){
		new SwingRadioButton01();
	}//end main

	SwingRadioButton01(){//constructor
		//Create three radio buttons   
		JRadioButton aButton = new JRadioButton("A",true);
		JRadioButton bButton = new JRadioButton("B");
		JRadioButton cButton = new JRadioButton("C");

		//Create a ButtonGroup object, add buttons to the group
		ButtonGroup myButtonGroup = new ButtonGroup();
		myButtonGroup.add(aButton);
		myButtonGroup.add(bButton);
		myButtonGroup.add(cButton);

		//Display radio buttons
		getContentPane().setLayout(new FlowLayout());
		getContentPane().add(aButton);
		getContentPane().add(bButton);
		getContentPane().add(cButton);
		setSize(250,100);
		setTitle("Swing Radio Buttons");
		setVisible(true);
    
		// Inner class to terminate program.
		addWindowListener(new WindowAdapter() {
			public void windowClosing(WindowEvent e) {
				System.exit(0);}});//end WindowListener
	}//end constructor
}//end class SwingRadioButton01 definition
Richard G.
 
Comment and Contribute

 

 

 

 

 


(Maximum characters: 1200). You have 1200 characters left.

 

 

Sitemap
×
We have made updates to our Privacy Policy to reflect the implementation of the General Data Protection Regulation.
Thanks for your registration, follow us on our social networks to keep up-to-date