C# 1001 notes

📝 What is the difference between string and StringBuilder?



String:



🔸 It's an immutable object that hold string value.



🔸 Performance wise string is slow because its' create a new instance to override or change the previous value.



🔸 String belongs to System namespace.



StringBuilder:



🔸 StringBuilder is a mutable object.



🔸 Performance wise StringBuilder is very fast because it will use same instance of StringBuilder object to perform any operation like insert value in existing string.



🔸 StringBuilder belongs to System.Text.Stringbuilder namespace.



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