Timer & TimerTask versus Thread + sleep in Java

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The advantage of TimerTask is that it expresses your intention much better (i.e. code readability), and it already has the cancel() feature implemented.

Note that it can be written in a shorter form as well as your own example:

Timer uploadCheckerTimer = new Timer(true);
uploadCheckerTimer.scheduleAtFixedRate(
    new TimerTask() {
      public void run() { NewUploadServer.getInstance().checkAndUploadFiles(); }
    }, 0, 60 * 1000);

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