6

Classes

You briefly saw in Chapter 1 how to declare a new class called HelloWorld. In Chapters 2 and 3, you learned about the built-in primitive types included with C#. Since you have now also learned about control flow and how to declare methods, it is time to discuss defining your own types. Type definition is a core construct of any C# program; this support for classes and the objects created from them is what makes C# an object-oriented language.

This chapter introduces the basics of object-oriented programming using C#. A key focus is on how to define classes, which are the templates for objects themselves.

All the constructs of structured, control-flow-based programming from the previous chapters still apply within object-oriented programming. ...

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