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How to create a JRadioButton component?

This simple example shows you how to create a JRadioButton component. To create an instance of JRadioButton we can simply call its constructor and pass a string as the radio button text.

We can also call the constructor with with a boolean value after the text to indicate whether the radio button is selected or not.

package com.javacoderanch.example.swing;

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

public class RadioButtonCreate extends JFrame {
    public RadioButtonCreate() {

    private void initializeUI() {
        setSize(300, 300);
        setLayout(new GridLayout(1, 2));

        JPanel leftPanel = new JPanel();
        JLabel label = new JLabel("Employees: ");

        JPanel rightPanel = new JPanel(new GridLayout(4, 1));

        // Create a JRadioButton by calling the JRadioButton constructors and
        // passing a string for radio button text. We can also pass a boolean
        // value to select or unselect the radio button.
        JRadioButton radio1 = new JRadioButton("1 - 10");
        JRadioButton radio2 = new JRadioButton("11 - 50", true);
        JRadioButton radio3 = new JRadioButton("51 - 100");
        JRadioButton radio4 = new JRadioButton("101 - 1000", false);




    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                new RadioButtonCreate().setVisible(true);