Q. In lambda expression `(a, b) -> a + b`, what is required of 'a' and 'b'?

  • (A) Both must be final
  • (B) Both must be of the same type
  • (C) Both must be numbers
  • (D) Both must be parameters of the same functional interface method
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✅ Correct Answer: (D) Both must be parameters of the same functional interface method
Explanation: The parameters must match the functional interface method signature.

Published by Mr. Dubey ⭐ 111.42K Points at 21-Jul-2025 06:33 am in JAVA

Explanation by: Mr. Dubey
The parameters must match the functional interface method signature.

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