Q. Which of the following is not a functional interface in Java 8?

  • (A) Consumer
  • (B) Supplier
  • (C) Runnable
  • (D) Comparator
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✅ Correct Answer: (D) Comparator
Explanation: Although it is often used with functional programming constructs such as lambda expressions, Comparator is not a functional interface because it has two abstract methods.

Published by Pushkar ⭐ 380 Points at 10-May-2023 05:03 am in JAVA

Explanation by: Pushkar
Although it is often used with functional programming constructs such as lambda expressions, Comparator is not a functional interface because it has two abstract methods.

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