M Mr. Dubey 🎓 Coach ⭐ 103.11K Points 📊 JAVA Q. Which annotation is used to indicate a functional interface? (A) @Override (B) @FunctionalInterface (C) @Deprecated (D) @Interface 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (B) @FunctionalInterface Explanation: `@FunctionalInterface` is used to enforce that an interface has exactly one abstract method.