Which of the following is incorrect about System.Text.StringBuilder and System.String?
Options
- StringBuilder is more efficient when there is a large amount of string manipulation
- Strings are immutable, so each time a string is changed, a new instance in memory is created.
- StringBuilder is mutable; when you modify an instance of the StringBuilder class, you modify the actual string, not a copy
- Strings are mutable in .Net
CORRECT ANSWER : Strings are mutable in .Net
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