Q. What kind of interface is necessary for a lambda to be used?

  • (A) Interface with static methods only
  • (B) Functional interface with one abstract method
  • (C) Any abstract class
  • (D) Any interface
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✅ Correct Answer: (B) Functional interface with one abstract method
Explanation: Only functional interfaces with a single abstract method can be implemented via lambdas.

Published by Mr. Dubey ⭐ 111.42K Points at 21-Jul-2025 06:37 am in JAVA

Explanation by: Mr. Dubey
Only functional interfaces with a single abstract method can be implemented via lambdas.

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