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import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
public class Main extends JFrame {
JCheckBoxMenuItem check = new JCheckBoxMenuItem("Check");
public Main() {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JMenuBar bar = new JMenuBar();
JMenu menu = new JMenu("Checkable");
bar.add(menu);
menu.add(check);
check.addItemListener(new ItemListener() {
public void itemStateChanged(ItemEvent e) {
System.out.println("Checked? " + check.isSelected());
}
});
setJMenuBar(bar);
getContentPane().add(new JLabel("A placeholder"));
pack();
setSize(300, 300);
setVisible(true);
}
public static void main(String arg[]) {
new Main();
}
}
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