Java Projects - Second Edition

ForkJoinPool

The ForkJoinPool is a special ExecutorService that has methods to execute ForkJoinTask objects. These classes are very handy when the task that we want to perform can be split into many small tasks and then the results, when they are available, aggregated. Using this executor, we need not care about the size of the thread pool and shutting down the executor. The size of the thread pool is adjusted to the number of processors on the given machine in order to have optimal performance. As the ForkJoinPool is a special ExecutorService that is designed for short running tasks, it does not expect any task to be there longer or being needed when there are no more tasks to run. Therefore, it is executed as a daemon thread; when the JVM ...