PPT Slide

J.61

/* The start method creates a new thread and starts

it running */

public void start() {

if (runner == null) {

runner = new Thread(this);

runner.start();

}

}

/* The stop method suspends the execution of the

thread when the reader leaves the page. */

public void stop() {

if (runner != null) {

runner.stop();

runner = null;

}

}

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