Answer Posted / praveen kumar a

Strings are so heavily used in all programming languages
that we do not think about them very much.Normally all goes
well but sometimes we need more performance so we switch to
StringBuilder which is more efficient because it does
contain a mutable string buffer. .NET Strings are immutable
which is the reason why a new string object is created
every time we alter it (insert, append, remove, etc.).

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1002

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1148

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935

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953

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967

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