Q. Which Java keyword is used to ensure an interface is functional?

  • (A) abstract
  • (B) interface
  • (C) @FunctionalInterface
  • (D) static
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✅ Correct Answer: (C) @FunctionalInterface
Explanation: `@FunctionalInterface` ensures the interface has one abstract method.

Published by Mr. Dubey ⭐ 111.42K Points at 21-Jul-2025 06:35 am in JAVA

Explanation by: Mr. Dubey
`@FunctionalInterface` ensures the interface has one abstract method.

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