- In Java, string objects are immutable in nature which simply means once the String object is created its state cannot be modified.
- Whenever you try to update the value of that object instead of updating the values of that particular object, Java creates a new string object.
- Java String objects are immutable as String objects are generally cached in the String pool.
- Since String literals are usually shared between multiple clients, action from one client might affect the rest.
- It enhances security, caching, synchronization, and performance of the application.
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