54.Difference between class and structure

1.   Classes are usually used for large amounts of data, whereas structs are usually used for smaller amount of data.
2.   Classes could be inherited whereas structures no
3.   A structure couldn't be Null like a class.
4.   A structure couldn't have a destructor such as class.
5.   A structure can't be abstract, a class can.
6.   You can't use sizeof with classes but you can with structures.
7.   The structure can't contain a volatile field wheatears the class does.
8.   classes support polymorphism, whereas structures do not.

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