←Go Back to Online Practice Test
Ques. Example of functional interfaces in Java 8:
Option 1. java.lang.Runnable
Option 2. java.util.concurrent.Callable
Option 3. Both of the above
Option 4. None of the above
Ans. Option 3
Please provide the reason below. The best provided reason will be displayed with your name(if you are logged-in) on website.
Enter Reason
 
Is it helpful? Yes No