Section 23.14 (Advanced) Interfaces Callable and Future
• The Callable (p. 1030) interface (of package java.util.concurrent) declares a single method named call that allows a task to return a value.
• ExecutorService method submit (p. 1030) executes a Callable passed in as its argument. Method submit returns an object of type Future (of package java.util.concurrent) that represents the future result of the executing Callable.
• Interface Future (p. 1030) declares method get to return the result of the Callable. The interface also provides methods that enable you to cancel a Callable’s execution, determine whether the Callable was cancelled and determine whether the Callable completed its task.
• Java SE 8 introduces a new CompletableFuture ...
Get Java™ How To Program (Early Objects), Tenth Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
