Java tutorial
import java.awt.FlowLayout; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JDialog; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; public class Main implements Runnable, ActionListener { JDialog dialog = new JDialog(); int number = 0; JLabel message = new JLabel(); JButton yes = new JButton("OK"), no = new JButton("Cancel");; String messageStr = "number";; boolean runProcess = true; public Main() { dialog.setLayout(new GridLayout()); yes.addActionListener(this); no.addActionListener(this); JPanel btnPanel = new JPanel(); btnPanel.setLayout(new FlowLayout(FlowLayout.RIGHT)); btnPanel.add(yes); btnPanel.add(no); dialog.add(message, "Center"); dialog.add(btnPanel, "South"); dialog.pack(); dialog.setVisible(true); dialog.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); new Thread(this).start(); } @Override public void run() { while (runProcess) { for (int i = 3; i > 0; i--) { message.setText(messageStr + " " + i + " Sec."); try { Thread.sleep(1000); } catch (Exception e) { e.printStackTrace(); } } runProcess = false; } } @Override public void actionPerformed(ActionEvent e) { if (e.getSource() == yes) { } else { dialog.dispose(); } } public static void main(String args[]) { Main ean = new Main(); } }