Add action listener to JRadioButton in Java
Description
The following code shows how to add action listener to JRadioButton.
Example
/*w ww . jav a 2 s . c om*/
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.AbstractButton;
import javax.swing.ButtonGroup;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
public class Main {
public static void main(String args[]) {
JFrame frame = new JFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JPanel panel = new JPanel(new FlowLayout());
ButtonGroup group = new ButtonGroup();
JRadioButton aRadioButton = new JRadioButton("A");
JRadioButton bRadioButton = new JRadioButton("B");
ActionListener sliceActionListener = new ActionListener() {
public void actionPerformed(ActionEvent actionEvent) {
AbstractButton aButton = (AbstractButton) actionEvent.getSource();
System.out.println("Selected: " + aButton.getText());
}
};
panel.add(aRadioButton);
group.add(aRadioButton);
panel.add(bRadioButton);
group.add(bRadioButton);
aRadioButton.addActionListener(sliceActionListener);
bRadioButton.addActionListener(sliceActionListener);
frame.add(panel);
frame.setSize(300, 200);
frame.setVisible(true);
}
}
The code above generates the following result.
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