import javax.swing.JFrame;
import javax.swing.JToggleButton;
import javax.swing.JButton;
import java.awt.FlowLayout;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.event.ItemListener;
import java.awt.event.ItemEvent;

class Program01 extends JFrame 
		implements ActionListener, ItemListener {
	JToggleButton toggleButton = new JToggleButton("Kapcsoló");
	JButton button = new JButton("Mehet");
	Program01() {
		button.addActionListener(this);
		toggleButton.addItemListener(this);
		setLayout(new FlowLayout());
		add(toggleButton);
		add(button);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setSize(400, 300);
		setVisible(true);
	}
	public void actionPerformed(ActionEvent event) {
		if(toggleButton.isSelected()) {
			setTitle("Kiválasztva");
		}else {
			setTitle("Nincs kiválasztva");
		}
	}
	public void itemStateChanged(ItemEvent event) {
		setTitle(getTitle() + "_");
	}
	public static void main(String[] args) {
		new Program01();
	}
}