Class

• It is reference type.
• Null value can be assigned to a variable in a class.
• It can have destructor.
• All variables in classes are by default private.
• Good to be used from architecture view as it provides high flexibility.

Structure

• It is value type.
• Null value assignment is not feasible here.
• Cannot have destructor.
• All variables in structures are public.
• Good to be used for simple data structures.