Sams Teach Yourself C#™ in 24 Hours

Hour 12. Using Constants, Data Types, Variables, and Arrays

As you write your C# methods, you'll regularly need to store and retrieve various pieces of information. In fact, I can't think of a single application I've written that didn't need to store and retrieve data in code. For example, you might want to keep track of how many times a method has been called, or you may want to store a property value and use it at a later time. Such data can be stored as constants, variables, or arrays. Constants are named values that you define once at design time but that can be referenced as often as needed. Variables, on the other hand, are like storage ...