What you will learn in this chapter:
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This chapter expands the concept of inheritance. Although you have been using inheritance since the first chapter, not much has been said about it. The reason for the delay is because inheritance doesn't make much sense until you understand and appreciate OOP. My guess is that you do see what OOP brings to the table and are ready to dig into the topic of inheritance. In this chapter you learn the details of inheritance necessary to use it properly in your own programs.
As you read this chapter, keep in mind that inheritance was added to OOP languages to make the programmer's life easier. Although the end user may not see any advantages to inheritance and polymorphism, you can have a greater appreciation of how programmers can make program code simpler.
Until now, inheritance has been a concept sitting in the background, making your life easier every time you designed a user interface ...