January 2014
Intermediate to advanced
736 pages
70h 43m
English
Content preview from Android™ How to Program, Second Edition
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D.8. Java API Packages
As you’ve seen, Java contains many predefined classes that are grouped into categories of related classes called packages. Together, these are known as the Java Application Programming Interface (Java API), or the Java class library. A great strength of Java is the Java API’s thousands of classes. Some key Java API packages used in this book’s appendices are described in Fig. D.4, which represents only a small portion of the reusable components in the Java API.
Fig. D.4 | Java API packages (a subset).
The set of packages available in Java is quite large. In addition to those summarized in Fig. D.4, Java includes packages ...
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