Cześć, możecie rzucić okiem na kod i zobaczyć co jest skopane ? Nie dodaje mi JButtonów a wydaje się być wszystko ok.
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JPanel;
public class Program extends JPanel implements ActionListener
{
private JButton b1;
private JButton b2;
private JButton b3;
private JButton b4;
private JButton b5;
private JButton b6;
private JButton b7;
private JButton b8;
private JButton b9;
private JButton b0;
public Program()
{
super();
b1 = new JButton("1");
b1.setVisible(true);
b1.addActionListener(this);
b1.setActionCommand("1");
b2 = new JButton("2");
b2.setVisible(true);
b3 = new JButton("3");
b3.setVisible(true);
b4 = new JButton("4");
b4.setVisible(true);
b5 = new JButton("5");
b5.setVisible(true);
b6 = new JButton("6");
b6.setVisible(true);
b7 = new JButton("7");
b7.setVisible(true);
b8 = new JButton("8");
b8.setVisible(true);
b9 = new JButton("9");
b9.setVisible(true);
b0 = new JButton("0");
b0.setVisible(true);
add(b1);
add(b2);
add(b3);
add(b4);
add(b5);
add(b6);
add(b7);
add(b8);
add(b9);
add(b0);
}
@Override
public void actionPerformed(ActionEvent e)
{
String comand = e.getActionCommand();
}
}