// <applet code="StringApplet" width="250" height="200"></applet>

import javax.swing.*;
import java.awt.event.*;
import java.awt.*;

public class StringApplet extends JApplet implements ActionListener {
    private JTextField numbertext = new JTextField(5);
    private JTextField texttext = new JTextField(10);
    private JButton fillButton = new JButton("Fyll på");
    private JTextArea svarstext = new JTextArea(8, 20);

    public void actionPerformed(ActionEvent event) {
	String numberstring = numbertext.getText();
	String textstring = texttext.getText();
	if (textstring.equals("")) {
	    svarstext.append("ERROR");
	}
	else {
	    try {
		double n = Integer.parseInt(numberstring);
		for (int i = 0; i < n; ++i)
		    svarstext.append(textstring);
	    }
	    catch (NumberFormatException exc) {
		svarstext.append("ERROR");
	    }
	}
    } // actionPerformed

    public void init() {
        fillButton.addActionListener(this);
        Container cp = getContentPane();
        cp.setLayout(new FlowLayout());
        cp.add(numbertext);
        cp.add(texttext);
        cp.add(fillButton);
        cp.add(svarstext);
    }

    public static void main(String[] args) {
        StringApplet applet = new StringApplet();
        JFrame frame = new JFrame("StringApplet");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.getContentPane().add(applet);
        frame.setSize(250, 150);
        applet.init();
        applet.start();
        frame.setVisible(true);
    }
} // class StringApplet