Ekta Agrawal on Instagram: "Java String objects are immutable by design — and this is not a limitation, but a powerful feature. Immutability helps Java provide better security, memory optimization (String Pool), thread safety, and reliable hashing in collections like HashMap. Understanding this concept is extremely important for Java interviews and real-world backend development. 💬 Comment STRING if you want a deep explanation on String vs StringBuilder vs StringBuffer. 👩‍💻 Follow for more Ja