June 2004
Intermediate to advanced
848 pages
21h 28m
English
Content preview from Just Java™ 2
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Chapter 11. Interfaces
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Interface java.lang.Comparable
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Interfaces Versus Abstract Classes
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Granting Permission Through an Interface—Cloneable
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What Protected Really Means
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Using Interface Callbacks for GUI Event Handlers
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The Class Double
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Exercises
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Some Light Relief—The Java-Powered Toaster
Interfaces are an important concept in Java. In this chapter, we'll explain what interfaces do, and how you use them. Here's a summary of what interfaces do, so you can see where we're headed.
In a few words, an interface is similar to a class that only abstract methods. You can't instantiate an abstract class; its purpose is to force any subclasses to implement its methods. That allows other classes to rely ...
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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.