Polymorphism

Introduction

Polymorphism

Example in Biology:– Different ‘forms’, same species

Adapted and adopted from Deitel (2004), IBM (2004), Liang (2007), Oracle (2012), and Wikipedia

Light-morph jaguar Dark-morph or black or melanistic jaguar

Polymorphism

Example in Biology:– Different ‘forms’ between males and females of the

same species

Adapted and adopted from Deitel (2004), IBM (2004), Liang (2007), Oracle (2012), and Wikipedia

Polymorphism

In Java OOP:– Subclasses of a class can define their own unique

behaviors and yet share some of the same functionality of the parent class.

Adapted and adopted from Deitel (2004), IBM (2004), Liang (2007), Oracle (2012), and Wikipedia

Polymorphismpublic class CylinderDemo { public static void main(String[] args) { Shape shape; shape = new Shape(); System.out.println("Area of current shape: " + shape.getArea()); shape = null;

shape = new Circle(10); System.out.println("Area of current shape: " + shape.getArea()); shape = null;

shape = new Cylinder(11, 21); System.out.println(" Area of current shape: " + shape.getArea()); shape = null;

}}

Adapted and adopted from Deitel (2004), IBM (2004), Liang (2007), Oracle (2012), and Wikipedia

References Oracle. The Java Tutorials. [Online]. http://docs.oracle.com/javase/tutorial/ Oracle. Java SE Tutorial 2012-02-28 [Online].

http://www.oracle.com/technetwork/java/javase/downloads/java-se-7-tutorial-2012-02-28-1536013.html

Oracle. Java SE Downloads [Online]. http://www.oracle.com/technetwork/java/javase/downloads/index.html

Harvey M. Deitel and Paul J. Deitel, Java: How to Program, 6th ed.: Prentice Hall, 2004.

Ken Arnold, James Gosling, and David Holmes, The Java Programming Language, 4th ed.: Addison Wesley Professional, 2005.

Sharon Zakhour, Scott Hommel, Jacob Royal, Isaac Rabinovitch, and Tom Risser, The Java Tutorial Fourth Edition: A Short Course on the Basics, 4th ed.: Addison Wesley Professional, 2006.

Y. Daniel Liang, Introduction to Java Programming, 6th ed.: Pearson Prentice Hall, 2007.

Adapted and adopted from Deitel (2004), IBM (2004), Liang (2007), Oracle (2012), and Wikipedia

References Wikipedia. Sexual dimorphism. [Online].

http://en.wikipedia.org/wiki/Sexual_dimorphism Wikipedia. Polymorphism (biology). [Online].

http://en.wikipedia.org/wiki/Polymorphism_(biology)

Adapted and adopted from Deitel (2004), IBM (2004), Liang (2007), Oracle (2012), and Wikipedia