Java Tutorial
Control Statements
Java Object Class
Java Inheritance
- inheritance(is-a)
- aggregation(has-a)
Java Polymorphism
Java Abstraction
Java Encapsulation
Java Array
- java-array
Java OOPs Misc
Java String
Java String Methods
Java Regex
- java-regex-api
Exception Handling
Java Inner Class
Java Multithreading
Java Synchronization
Java I/O
Java Serialization
- java-serialization
- java-transient-keyword
Java Networking
Java AWT & Events
Java Swing
Java Swing Apps
LayoutManagers
JavaFX Tutorial
JavaFX 2D Shapes
JavaFX Text
- javafx-text
JavaFX Effects
JavaFX Transformation
JavaFX Animation
JavaFX 3D Shapes
JavaFX Layouts
JavaFX UI
JavaFX Charts
JavaFX CSS
- javafx-css
Media with JavaFX
JavaFX Event Handling
Java Applet
Java Reflection
Java 8 Date Time
Java Date (Classical)
Java Date Format
- dateformat
- simpledateformat
Current Date Time
- get-current-date-time
Java Conversion
Java Collections
Java JDBC
Java New Features
- java-new-features
Java 9 Features
Java 8 Features
Java 7 Features
Java 4/5 Features
RMI
- java-rmi
Internationalization

Java JRadioButton

The JRadioButton class is used to create a radio button. It is used to choose one option from multiple options. It is widely used in exam systems or quiz.

It should be added in ButtonGroup to select one radio button only.

JRadioButton class declaration

Let's see the declaration for javax.swing.JRadioButton class.

Commonly used Constructors:

Constructor	Description
JRadioButton()	Creates an unselected radio button with no text.
JRadioButton(String s)	Creates an unselected radio button with specified text.
JRadioButton(String s, boolean selected)	Creates a radio button with the specified text and selected status.

Commonly used Methods:

Methods	Description
void setText(String s)	It is used to set specified text on button.
String getText()	It is used to return the text of the button.
void setEnabled(boolean b)	It is used to enable or disable the button.
void setIcon(Icon b)	It is used to set the specified Icon on the button.
Icon getIcon()	It is used to get the Icon of the button.
void setMnemonic(int a)	It is used to set the mnemonic on the button.
void addActionListener(ActionListener a)	It is used to add the action listener to this object.

Java JRadioButton Example

import javax.swing.*;  
public class RadioButtonExample {  
JFrame f;  
RadioButtonExample(){  
f=new JFrame();   
JRadioButton r1=new JRadioButton("A) Male");  
JRadioButton r2=new JRadioButton("B) Female");  
r1.setBounds(75,50,100,30);  
r2.setBounds(75,100,100,30);  
ButtonGroup bg=new ButtonGroup();  
bg.add(r1);bg.add(r2);  
f.add(r1);f.add(r2);    
f.setSize(300,300);  
f.setLayout(null);  
f.setVisible(true);  
}  
public static void main(String[] args) {  
    new RadioButtonExample();  
}  
}  

Output:

Java JRadioButton Example with ActionListener

import javax.swing.*;  
import java.awt.event.*;  
class RadioButtonExample extends JFrame implements ActionListener{  
JRadioButton rb1,rb2;  
JButton b;  
RadioButtonExample(){    
rb1=new JRadioButton("Male");  
rb1.setBounds(100,50,100,30);    
rb2=new JRadioButton("Female");  
rb2.setBounds(100,100,100,30);  
ButtonGroup bg=new ButtonGroup();  
bg.add(rb1);bg.add(rb2);  
b=new JButton("click");  
b.setBounds(100,150,80,30);  
b.addActionListener(this);  
add(rb1);add(rb2);add(b);  
setSize(300,300);  
setLayout(null);  
setVisible(true);  
}  
public void actionPerformed(ActionEvent e){  
if(rb1.isSelected()){  
JOptionPane.showMessageDialog(this,"You are Male.");  
}  
if(rb2.isSelected()){  
JOptionPane.showMessageDialog(this,"You are Female.");  
}  
}  
public static void main(String args[]){  
new RadioButtonExample();  
}} 

Output:

Next TopicJava JComboBox

← prev next →

Hot Tutorials

Contact US

Email:[email protected]

Java JRadioButton

10/30

Java Tutorial

Control Statements

Java Object Class

Java Inheritance

Java Polymorphism

Java Abstraction

Java Encapsulation

Java Array

Java OOPs Misc

Java String

Java String Methods

Java Regex

Exception Handling

Java Inner Class

Java Multithreading

Java Synchronization

Java I/O

Java Serialization

Java Networking

Java AWT & Events

Java Swing

Java Swing Apps

LayoutManagers

JavaFX Tutorial

JavaFX 2D Shapes

JavaFX Text

JavaFX Effects

JavaFX Transformation

JavaFX Animation

JavaFX 3D Shapes

JavaFX Layouts

JavaFX UI

JavaFX Charts

JavaFX CSS

Media with JavaFX

JavaFX Event Handling

Java Applet

Java Reflection

Java 8 Date Time

Java Date (Classical)

Java Date Format

Current Date Time

Java Conversion

Java Collections

Java JDBC

Java New Features

Java 9 Features

Java 8 Features

Java 7 Features

Java 4/5 Features

RMI

Internationalization

Java JRadioButton

JRadioButton class declaration

Commonly used Constructors:

Commonly used Methods:

Java JRadioButton Example

Java JRadioButton Example with ActionListener

Hot Tutorials

Contact US