CS132 - Introduction To Computing II

Computer Science 132
Introduction To Computing II

Dickinson College
Spring Semester 2001
Grant Braught

Class #28 - Inheritance

Main Ideas For Today

Inheritance and OO Design
"Is A" relationship
Overriding instance methods
Overriding -vs- Overloading

Reading Assignment For Today

Java by Dissection: Chapter 7, 7.1-7.3.

Review Questions For Today

Java by Dissection: Chapter 7, Review Questions: 1, 2, 4, 7.

Solutions - posted after due date.

Web Sites Related to Today's Topic

Managing Inheritance: This page describes inheritance in Java.
Understanding Inheritance: This page goes into some of the details involved in using inheritance in your Java programs.
Overriding Methods: An example of how a subclass can override methods from the superclass.

Sample Code For Today's Class

SimpleSuperClass.java - A super class used to demonstrate inheritance.
SimpleSubClass.java - A sub class used to demonstrate inheritance.
SimpleInheritance.java - A program that demonstrates inheritance using the SimpleSuperClass and SimpleSubClass.
SimplePolymorphism.java - A program that demonstrates polymorphism using the SimpleSuperClass and SimpleSubClass.