A

Admin • 828.03K Points
Coach

Q. What is a functional interface in Java?

  • (A) An interface with default methods only
  • (B) An interface with exactly one abstract method
  • (C) Any interface with static methods
  • (D) Any abstract class
Explanation by: Admin
A functional interface has exactly one abstract method, enabling it to be used with lambda expressions.

You must be Logged in to update hint/solution

Discusssion

Login to discuss.

Be the first to start discuss.