Q. Which annotation is used to indicate a functional interface?

  • (A) @Override
  • (B) @FunctionalInterface
  • (C) @Deprecated
  • (D) @Interface
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✅ Correct Answer: (B) @FunctionalInterface
Explanation: `@FunctionalInterface` is used to enforce that an interface has exactly one abstract method.

Published by Mr. Dubey ⭐ 111.42K Points at 22-Jul-2025 06:41 am in JAVA

Explanation by: Mr. Dubey
`@FunctionalInterface` is used to enforce that an interface has exactly one abstract method.

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