... for the .NET platform. e programming language is C#, and although the books thus focuses on the language C# and the selected platform, then programming in general play a large role, and the ... variables, as they are created in the Main(), and they are only known in the Main() method. en the sum of the two variables is stored in the variable sum. Note that the value stored in sum, is the result ... used the + operator. Note that the signicance of the operator is dependent on the type of the variables or constants the operator acts on. In the rst case where both operands are integers, the...