1-) Java - FRAME OLUSTURUR VE BUTTON OLUSTURUR TIKLADIKCA BUTTON OLUSTURUR

public class framee {

public static void main(String[] args) {

final JFrame frame = new JFrame("Test");

frame.setLayout(new GridLayout(0, 1));

//JButton b1 = new JButton();

//b1.setText("buttton 1");

//frame.add(b1);

frame.add(new JButton(new AbstractAction("Click to add") {

public void actionPerformed(ActionEvent e) {

SwingUtilities.invokeLater(new Runnable() {

@Override

public void run() {

frame.add(new JLabel("Bla"));

frame.validate();

frame.repaint(); } }); } }));

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

frame.setSize(400, 300);

frame.setVisible(true); }}