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C# has two different types of variables: value types and reference types. While in C and C++ primitive types can contain values or references and certain complex types (arrays, objects) can only be used via reference, in C# the line between the two types is very clear. Numeric types(int, decimal, double, etc.), bool and structs access the values directly. Class, object, interface, delegate string and dynamic are only accessed and used via reference. Because of all the awkwardness with referencing and dereferencing in C and C++, C# uses the 'ref'...