Question: Need some help with some Java studying. Please be as detailed as possible with the answer. - Explain the difference between a mutable and an

Need some help with some Java studying. Please be as detailed as possible with the answer.

- Explain the difference between a mutable and an immutable string, why its usually more efficient to use a mutable string, and why using an immutable string make programs safer and more robust.

- Explain how Java determines the initial capacity of a StringBuilder object and the new capacity of a StringBuilder object when its current capacity is exceeded.

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