Learn to run multiple Callable tasks with ExecutorService.invokeAll() API and processing all the results returned from tasks in form of Future class instances in this ExecutorService Callable example. 1. ExecutorService invokeAll() API The invokeAll() method executes the given list of Callable tasks, returning a list of Future objects holding their status and results when all are complete. It is an overloaded method and is in two forms. The second method takes extra…