February 2014
Beginner
1248 pages
62h 25m
English
Content preview from Java™ How To Program (Early Objects), Tenth Edition
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Java Class Libraries
You can create each class and method you need to form your Java programs. However, most Java programmers take advantage of the rich collections of existing classes and methods in the Java class libraries, also known as the Java APIs (Application Programming Interfaces).
Performance Tip 1.1
Using Java API classes and methods instead of writing your own versions can improve program performance, because they’re carefully written to perform efficiently. This also shortens program development time.
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