INTERVIEW QUESTIONS C STRINGS IN C DETAILS

Question: What is the difference between System.String and System.StringBuilder classes?

Answer: System.String is immutable; System.StringBuilder was designed with the purpose of having a mutable string where a variety of operations can be performed.

System.String is immutable; System.StringBuilder was designed with the purpose of having a mutable string where a variety of operations can be performed. Source: CoolInterview.com

String is immutable.A new object is create if a string needs to be modified.
While string builder object can be modified without creating a new object.
stringbuilder class offers various methods like replace etc. Source: CoolInterview.com

IN System.String
1.String is built in class in .net base classes.
2.In this we can do all the string operation like substring,strcpy etc
but cant do editing .so thats called immutable.
3.System.StringBuilder class have ability of append function that not available in Sting class Source: CoolInterview.com

String..
1.Its a class used to handle strings.
2.Here concatenation is used to combine two strings.
3.String object is used to concatenate two strings.
4.The first string is combined to the other string by creating a new copy in the memory as a string object, and then the old
string is deleted
5.we say "Strings are immutable".

String Builder..
1.This is also the class used to handle strings.
2.Here Append method is used.
3.Here, String builder object is used.
4.Insertion is done on the existing string.
5.Usage of String Builder is more efficient in case large amounts of string manipulations have to be performed
Source: CoolInterview.com

System.String is immutable; System.StringBuilder was designed with the purpose of having a mutable string where a variety of operations can be performed.


Source: CoolInterview.com

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