August 2017
Beginner
298 pages
7h 26m
English
Content preview from Modular Programming in Java 9
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The state of API encapsulation
To best explain the situation (and associated problems) with API encapsulation, all we need to do is recall from Chapter 1, Introducing Java 9 Modularity, Jack's trouble with his sorting library. He had an internal public class in his library that wasn't meant for external use, but it did end up getting used. If such a small library with the meagerly count of two classes could run into this problem, imagine the situation with the Java runtime with thousands of classes! The Java language provides documented APIs for developers to use. But it also has many supporting classes to facilitate the inner workings of those APIs that shouldn't be used by developers. However, surely enough, they are all a part of the sole ...
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