R Roshan 🎓 Extraordinary ⭐ 2.52K Points 📊 JAVA Q. Which class is immutable? (A) String (B) StringBuilder (C) ArrayList (D) HashMap 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (A) String Explanation: String objects are immutable in Java.