Home > C# > Difference Between StringBuilder and String

Difference Between StringBuilder and String

 

String:

While concatenate two strings, a new copy in the memory will be created and old string object will be deleted this called ‘IMMUTABLE’. Normally the performance will be slow.
StringBuilder:

 

Normally we use Append() to concatenate the string. combining two string will be take place existing string object. No new memory will be created for this stringBuilder object and its more efficient.

 

 

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