hanumesh_06

 Profile Answers by hanumesh_06 

• Aug 10th, 2007

 

string class in immutable. Immutable is nothing but the value assigned to string cannot be changed.


Stringbuilder class is mutable. mutable is nothing but the value assigned to stringbuilder  can be changed.

maverick_dude

 Profile Answers by maverick_dude 

• Dec 2nd, 2007

 

String is immutable where as stringbuilder is mutable.

That means: The value in a string can not be modified once it has been created. When you modify a string in your code, it actually creates a new string with the modified value and the string object only starts to reference this new (modified) string. That is why, .Net has System.Text.StringBuilder class (to modify the string). So, if you need to change the value in your string heavily, you should use the StringBuilder.

But you should not use the StringBuilder everytime as it will take a toll on the performance of your application