Basically, a class combines the fields and methods(member function which defines actions) into a single unit. A structure is a collection of variables of different data types under a single unit. … Difference between Class and Structure. ClassStructureAll the reference types are allocated on heap memory.All the value types are allocated on stack memory.Difference between Class and Structure in C# – GeeksforGeeks www.geeksforgeeks.org › difference-between-class-and-structure-in-c-sharp