November 2024
Intermediate to advanced
499 pages
12h 13m
English
Content preview from Core Java for the Impatient, 4th Edition
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Chapter 12 ▪ The Java Platform Module System
An important characteristic of object-oriented programming is encapsulation. A class declaration consists of a public interface and a private implementation. A class can evolve by changing the implementation without affecting its users. A module system provides the same benefits for programming in the large. A module can make classes and packages selectively available so that its evolution can be controlled.
Several existing Java module systems rely on class loaders to isolate classes. However, Java 9 introduced a new system, called the Java Platform Module System, that is supported by the Java compiler and virtual machine. It was designed to modularize the large code base of the Java platform. ...
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