What is the difference between string and StringBuilder in C#?

Here is the difference between string and StringBuilder in C#:

String

• Strings in C# are immutable, meaning once a string is created, its value cannot be changed.
• When you modify a string, a new string object is created in memory and the old one is discarded.
• Strings are allocated on the heap and are thread-safe.
• Strings are efficient for small amounts of text that don't change frequently.

StringBuilder

• StringBuilder is a mutable string type that allows you to modify the contents of a string without creating a new object.
• It is optimized for appending, inserting, or removing characters from a s...