Callable Interface
Explore how to use the Java Callable interface to create tasks that return results and handle exceptions. Understand task lifecycle stages and implement example tasks for concurrency.
We'll cover the following...
We'll cover the following...
Callable Interface
In the previous sections we used the Runnable interface as the abstraction for tasks that were submitted to the executor service. The Runnable interface's sole run method doesn't return a value, which is a handicap for tasks that don't want to write results to global or shared datastructures. The interface ...