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

public class CreateRadioButton{
	public static void main(String[] args) {
		CreateRadioButton r = new CreateRadioButton();
	}

	public CreateRadioButton(){
		JRadioButton Male,Female;
		JFrame frame = new JFrame("Creating a JRadioButton Component");
		JPanel panel = new JPanel();
		ButtonGroup buttonGroup = new ButtonGroup();
		Male = new JRadioButton("Male");
		buttonGroup.add(Male);
		panel.add(Male);
		Female = new JRadioButton("Female");
		buttonGroup.add(Female);
		panel.add(Female);
		Male.setSelected(true);
		frame.add(panel);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.setSize(400,400);
		frame.setVisible(true);
	}
}