Q. Which functional interface is most suitable for `System.out::println`?

  • (A) Supplier<String>
  • (B) Consumer<String>
  • (C) Predicate<String>
  • (D) Function<String, Void>
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✅ Correct Answer: (B) Consumer<String>
Explanation: `System.out::println` takes an input and returns nothing, matching `Consumer`.

Published by Mr. Dubey ⭐ 111.42K Points at 22-Jul-2025 06:35 am in JAVA

Explanation by: Mr. Dubey
`System.out::println` takes an input and returns nothing, matching `Consumer`.

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