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 in package java.util.concurrent declares a single method named call that allows a task to return a value. This method must be implemented by any class that wants to be executed by another thread using an ExecutorService. The method call() returns a value and may throw an exception. It is used when the submitted task needs to return a result to the caller. Therefore, option A (call) is the best choice.

The Callable Interface (Of Package Java