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

public class OneToTen extends JFrame implements ActionListener {

    private JButton button;
    private JTextField textField;

    public static void main(String[] args) {
        OneToTen demo = new OneToTen();
        demo.setSize(200, 120);
        demo.createGUI();
        demo.show();
    }

    private void createGUI() {
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        Container window = getContentPane();
        window.setLayout(new FlowLayout());

        button = new JButton("go");
        window.add(button);
        button.addActionListener(this);

        textField = new JTextField(15);
        window.add(textField);
    }

    public void actionPerformed(ActionEvent event) {
        int number;
        String oneToTen = "";

        number = 1;
        while (number <= 10) {
            oneToTen = oneToTen + Integer.toString(number) + " ";
            number++;
        }
        textField.setText(oneToTen);
    }
}