JWait
public class JWait extends JLabel implements Runnable { private final String MESSAGE = "Wait, please"; private boolean running = false; public JWait() { this.setText(MESSAGE); this.setOpaque(true); this.setBackground(Color.YELLOW); } public void start() { if (!running) { running = true; Thread t = new Thread(this); t.setDaemon(true); t.start(); } } public void stop() { running = false; } public void reset() { this.setText(MESSAGE); } @Override public void run() { while (running) { this.setText(this.getText() + "."); try { Thread.sleep(1000); } catch (InterruptedException e) { } } } }
Progetto Eclipse: ThreadExample.zip
Per la spiegazione teorica sui thread fare riferimento al testo: Java per Robot, pag. 121
oppure alla pagina: http://www.claudiodesio.com/java/tutorialjavathread/threads.htm