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

public class Inmatning1 extends JFrame {

  Inmatning1() {
    super("Inmatning 1"); 

    JPanel pane = new JPanel();
    JLabel prompt = new JLabel(" Enter a number: ");
    JTextField answer = new JTextField ("", 5); 
    JButton pressme = new JButton("Press Me");

    answer.requestFocus(); 

    pane.add(prompt); 
    pane.add(answer); 
    pane.add(pressme);
    add(pane);    

    setBounds(100,100,300,200);
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    setVisible(true);
  }

  public static void main(String[] args) {
      new Inmatning1();
  }
}