The JCheckBox Class
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class JChecjBoxDemo {
public static void main(String[] args) {
JCheckBox check1 = new JCheckBox("first");
JCheckBox check2 = new JCheckBox("second");
check1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ev) {
System.out.println("first checked");
}
});
check2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ev) {
System.out.println("second checked");
}
});
JFrame f = new JFrame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Container c = f.getContentPane();
c.setLayout(new FlowLayout());
c.add(check1);
c.add(check2);
f.pack();
f.setVisible(true);
}
}
