Q. Which of the following is a functional interface?

  • (A) Runnable
  • (B) Serializable
  • (C) Comparable
  • (D) Cloneable
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✅ Correct Answer: (A) Runnable
Explanation: `Runnable` is a functional interface with a single `run()` method.

Published by Mr. Dubey ⭐ 111.42K Points at 22-Jul-2025 06:41 am in JAVA

Explanation by: Mr. Dubey
`Runnable` is a functional interface with a single `run()` method.

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