THE DESIGN PATTERNS JAVA COMPANION
1. Creational Patterns 17
The Factory Pattern 18
How a Factory Works 18
Sample Code 18
The Two Derived Classes 19
Building the Factory 20
Factory Patterns in Math Computation 22
When to Use a Factory Pattern 24
Thought Questions 25
The Abstract Factory Pattern 26
A GardenMaker Factory 26
How the User Interface Works 28
Consequences of Abstract Factory 30
Thought Questions 30
The Singleton Pattern 31
Throwing the Exception 32
Creating an Instance of the Class 32
Static Classes as Singleton Patterns 33
Creating Singleton Using a Static Method 34
SSD3: Object-Oriented Programming and Design
Introduction
This course introduces students to problem solving by means of object-oriented design and implementation. Emphasis is on problem analysis and solution design, documentation and implementation. Students use commercial software libraries, and create software projects. Programming assignments are carried out in Java.
This is an extension of sign example. You can design your own traffic sign by using Verilog. And the result from Verilog can be seen by the attached C file.
