The Callable interface (of package java.util.concurrent) declares a single method named call that allows a task to return a value.
A) call
B) execute
C) invoke
D) None of the above.

Question

Quizplus · Accepted Answer

The Callable interface declares only one method named call, which allows a task to return a value. The other options (execute and invoke) are not part of the Callable interface but are part of other interfaces like Executor and MethodHandle respectively.

The Callable Interface (Of Package Java