Which of these classes is used to create an object whose character sequence is mutable?(a) String()(b) StringBuilder()(c) String() & StringBuilder()(d) None of the mentionedThe question was posed to me during an interview.My question is from Writing Console Output Operations in section Console I/O Operations and Stream Classes of C#

Which of these classes is used to create an object whose character seq

1.	Which of these classes is used to create an object whose character sequence is mutable?(a) String()(b) StringBuilder()(c) String() & StringBuilder()(d) None of the mentionedThe question was posed to me during an interview.My question is from Writing Console Output Operations in section Console I/O Operations and Stream Classes of C#
Answer» Right answer is (b) StringBuilder() Easiest EXPLANATION - MUTABLE STRINGS are dynamic strings. They can GROW dynamically as characters are added to them. stringbuilder class supports those METHODS that are useful for manipulating dynamic strings.

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