Chapter 10. Object-Oriented programming
In this chapter, we will discover that in Java, classes are fundamental to just about everything. We will begin to understand why the software engineers at Sun Microsystems back in the early 1990s made Java the way they did.
We have already talked about reusing other people's code, specifically the Android API, but in this chapter, we will really get to grips with how this works and learn about object-oriented programming and how to use it.
In summary, we will cover the following topics:
- What is OOP, including encapsulation, inheritance, and polymorphism
- How to write and use our first class in an app
Before we get to what exactly OOP is, a quick warning.
Important memory management warning
I'm referring to our ...
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