This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
What do you mean by "close your applet?" If you open a Frame in your applet, and then close the Frame, this won't cause stop() or destroy() to be called. But stop() should be called when you browse to another page from the one your applet is embedded in, and destroy() would be called if the browser decides to dispose the class loader that created your applet.