What is difference between first and firstordefault?
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Is string a class in c#?
what is the real use of interface in c#,other than that multiple inheritance is not possible
How do namespaces work?
Explain the difference between “constant” and “read-only” variables used in c#?
Explain inheritance in c#?
Which namespaces are necessary to create a localized application?
What is xml comments in c#?
What is the purpose of escape sequence?
What are the 2 kinds of data type conversions in c#?
What is garbage collector and where should you use in .NET?
Why is it not a good idea to use empty destructors?
What is float in unity?