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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8.3 Polymorphism
What’s in a name? That which we call a rose
By any other name would smell as sweet.
—WILLIAM SHAKESPEARE, Romeo and Juliet
Inheritance allows you to define a base class and derive classes from the base class. Polymorphism allows you to make changes in the method definition for the derived classes and have those changes apply to the methods written in the base class. This all happens automatically in Java, but it is important to understand the process.
Dynamic Binding and Inheritance
Consider a program that uses the Person, Student, and Undergraduate classes as depicted in Figure 8.4. Let’s say that we ...
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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.