The Fundamental Concepts
The primary point of this book is to get you thinking about how the concepts are used in designing object-oriented systems. Historically, object-oriented languages are defined by the following: encapsulation, inheritance, and polymorphism. Thus, if a language does not implement all of these, it is generally not considered completely object-oriented. Along with these three terms, I always include composition in the mix; thus, my list of object-oriented concepts looks like this:
• Encapsulation
• Inheritance
• Polymorphism
• Composition
We will discuss all these in detail as we proceed through the rest of the book.
One of the issues that I have struggled with right from the first edition of this book is how these concepts ...
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