Microondas

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

public class Gui04 extends JFrame{

       public Gui04(){
              setTitle("Horno microondas");
              setDefaultCloseOperatiion(JFrame.EXIT_ON_CLOSE);
              setLayout(new BorderLayout());

              JPanel p1=new JPanel();
              p1.setLayout(new GridLayout(4,3);
              for(int i=1;i<=9;i++){
                  p1.add(new JButton("" +i));
              }

              p1.add(new JButton("" +0));
              p1.add(new JButton("Start");
              p1.add(new JButton("Stop");

              JPanel p2=new JPanel();
              p2.setLayout(new BorderLayout());
              p2.add(new JTextField("Aquí el tiempo"),BorderLayout.NORTH);
              p2.add(p1.BorderLayout.CENTER);
              add(p2,BorderLayout.EAST);
              add(new Button("Aquí la comida"),BorderLayout.CENTER;
              setSize(400,250);
              setVisible(true);

              public static void main(String [] args){
                     Gui04 gui=new Gui04();
}
}