import javax.swing.JFrame;
import javax.swing.JDialog;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JTextField;
import java.awt.FlowLayout;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

class Program extends JFrame
{
	JButton gomb = new JButton("Bekér");
	JTextField mezo = new JTextField(10);
	Program()
	{
		gomb.addActionListener(new ActionListener()
		{
			public void actionPerformed(ActionEvent e)
			{
				Parbeszed p = new Parbeszed();				
				mezo.setText(p.showDialog());
			}
		});
		setLayout(new FlowLayout());
		add(gomb);
		add(mezo);
		pack();
		setVisible(true);
	}
	public static void main(String args[])
	{
		new Program();
	}
}


class Parbeszed extends JDialog
{
	String nev;
	JTextField mezo = new JTextField(5);
	Parbeszed()
	{
		JButton gomb = new JButton("Ok");
		gomb.addActionListener(new ActionListener()
		{
			public void actionPerformed(ActionEvent e)
			{
				nev = mezo.getText();
				setVisible(false);
			}
		});
		add(new JLabel("Név: "));
		add(mezo);
		add(gomb);
		setLayout(new FlowLayout());
		pack();
	}
	public String showDialog()
	{
		setModal(true);
		setVisible(true);
		return nev;		
	}
}