February 2017
Beginner
1056 pages
28h 57m
English
Content preview from Java: An Introduction to Problem Solving and Programming, 8th EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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12.4 Generics
There are no favorites in my office. I treat them all with the same general inconsideration.
—LYNDON B. JOHNSON, 36th President of the United States.
As we mentioned earlier, beginning with version 5.0, Java allows class definitions to include parameters for data types. These parameters are called generics. This section gives a brief introduction to this topic. Programming with generics can be subtle and requires care. To do serious programming with generics, you may want to consult a more advanced text.
The Basics
Classes and methods can use a type parameter instead of a specific data type. When Generics allows you to parameterize a data type using such a class or method, a programmer plugs in any class type for the type parameter ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.