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copied!<p>There are basically two ways I know of to get around this. Unfortunately neither of them is especially nice regarding the resulting code quality, so I'm not sure if I can recommend them. </p> <p>The first solution would be to make exec a final one-element array. Then you can assign exec[0] = something after declaration even tho the array itself is final. A variation of this is to use/create some reference class (since you can alter attributes of final references, but not the references themselves). The following is a simple example, but keep in mind that it does not take any concurrency issues into consideration (see further down):</p> <pre><code> final ScheduledFuture[] exec = new ScheduledFixture[1]; exec[0] = executor.scheduleAtFixedRate( //<< initialized on this line new Runnable(){ int totalSends = 0; public void run(){ //do stuff here if(++totalSends >= repetitions) exec[0].cancel(true); //<< here is says exec might not be initialized } }, 0, delay, TimeUnit.MILLISECONDS); </code></pre> <p>Alternatively you could move exec out of the local scope of the method and make it a class attribute instead. </p> <p>I must however warn you that, especially with the initial delay of zero, there is a real possibility of the code inside the runnable being executed before the scheduleAtFixedRate method returns, in which case exec[0] will still be null. Also, you should use synchronization to ensure that the value of exec[0] as set by the main thread will be available to the thread responsible for executing the runnable. </p> <p>Both of the above solutions should work, but I don't think that either of them is especially nice. </p>

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