C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
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Please help! I would appreciate that.
String Class
https://learn.microsoft.com/en-us/dotnet/api/system.string?view=net-5.0
"A String object is called immutable (read-only), because its
value cannot be modified after it has been created. Methods
that appear to modify a String object actually return a new
String object that contains the modification."