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12 December, 06:57

Why is String final in Java?

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  1. 12 December, 08:07
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    string objects are cached in string pool.

    Explanation:

    Strings in Java are immutable or final because the string objects are cached in String Pool. As we know multiple clients share the string literals so there exists a risk of one client's action affecting all other clients.

    For ex:-The value of string is "Roast" and client changed it to "ROAST" so all other clients will see ROAST instead of Roast.
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