Java 9 Concurrency Cookbook - Second Edition

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The ForkJoinPool class provides other methods to execute a task. These methods are as follows:

• execute (Runnable task): This is another version of the execute() method used in the example. In this case, you send a Runnable task to the ForkJoinPool class. Note that the ForkJoinPool class doesn't use the work-stealing algorithm with Runnable objects. It's only used with ForkJoinTask objects.
• invoke(ForkJoinTask<T> task): While the execute() method makes an asynchronous call to the ForkJoinPool class, as you learned in the example, the invoke() method makes a synchronous call to the ForkJoinPool class. This call doesn't return until the task passed as a parameter finishes its execution.
• You can also use the invokeAll() and ...