Q. Which of these is marker interface?

  • (A) Runnable
  • (B) Serializable
  • (C) Comparable
  • (D) CloneableMethod
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✅ Correct Answer: (B) Serializable
Explanation: Serializable is a marker interface.

Published by Roshan ⭐ 3.43K Points at 23-Apr-2026 06:02 am in JAVA

Explanation by: Roshan
Serializable is a marker interface.

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