R Ritu Nagar 🎓 Newbie ⭐ 4.39K Points 📊 Hadoop Q. . . . . . . . . checks whether the given key is deprecated. (A) isDeprecated (B) setDeprecated (C) isDeprecatedif (D) all of the mentioned 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (A) isDeprecated