Wissen Infotech Interview Question: what is immutability? why string is immutable? create a immutable class having int and string as parameters. should the class be final or not in this case?

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Wissen Infotech Java Developer interview

Wissen Infotech Interview Question

Java Developer Interview

what is immutability? why string is immutable? create a immutable class having int and string as parameters. should the class be final or not in this case?

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