Java Design Patterns: A Hands-On Experience with Real-World Examples

Table of Contents
About the Author
About the Technical Reviewers
Acknowledgments
Introduction
Chapter 1: Understanding SOLID Principles
	Single Responsibility Principle
		Initial Program
		Demonstration 1
		Output
		Analysis
		Better Program
		Demonstration 2
		Output
	Open/Closed Principle
		Initial Program
		Demonstration 3
		Output
		Analysis
		Better Program
		Demonstration 4
		Output
		Analysis
	Liskov Substitution Principle
		Initial Program
		Demonstration 5
		Output
		Better Program
		Demonstration 6
		Output
		Analysis
	Interface Segregation Principle
		Initial Program
		Demonstration 7
		Output
		Analysis
		Better Program
		Demonstration 8
		Output
		Analysis
	Dependency Inversion Principle
		Initial Program
		Demonstration 9
		Output
		Analysis
		Better Program
		Demonstration 10
		Output
		Analysis
	Summary
Chapter 2: Simple Factory Pattern
	Definition
	Concept
	Real-Life Example
	Computer World Example
	Implementation
		Class Diagram
		Package Explorer View
		Demonstration
		Output
		Analysis
	Q&A Session
		Final Comment
Chapter 3: Factory Method Pattern
	GoF Definition
	Concept
	Real-Life Example
	Computer World Example
	Implementation
		Class Diagram
		Package Explorer View
		Demonstration 1
		Output
	Modified Implementation
		Demonstration 2
		Output
		Analysis
	Q&A Session
Chapter 4: Abstract Factory Pattern
	GoF Definition
	Concept
	Real-Life Example
	Computer World Example
	Implementation
		Class Diagram
		Package Explorer View
		Demonstration 1
		Output
		Analysis
	The Client Code Variations
		Demonstration 2
		Demonstration 3
	Q&A Session
Chapter 5: Prototype Pattern
	GoF Definition
	Concept
	Real-Life Example
	Computer World Example
	Implementation
		Class Diagram
		Package Explorer View
		Demonstration 1
		Output
	Modified Implementation
		Class Diagram
		Demonstration 2
		Output
		Analysis
		Further Improvements
	Q&A Session
	Shallow Copy vs. Deep Copy
		Demonstration 3
		Output From Shallow Copy Implementation
		Analysis
		Output From Deep Copy Implementation
		Analysis
	Q&A Session Continued
		Demonstration 4
		Output
		Analysis
Chapter 6: Builder Pattern
	GoF Definition
	Concept
	Real-Life Example
	Computer World Example
	Implementation
		Class Diagram
		Package Explorer View
		Demonstration 1
		Output
	Q&A Session
	Alternative Implementation
		Demonstration 2
		Output
		Analysis
	Q&A Session Continued
Chapter 7: Singleton Pattern
	GoF Definition
	Concept
	Real-Life Example
	Computer World Example
	Implementation
		Class Diagram
		Package Explorer View
		Demonstration 1
		Output
		Analysis
	Q&A Session
	Alternative Implementations
		Demonstration 2: Eager Initialization
		Analysis
		Demonstration 3: Bill Pugh’s Solution
		Analysis
		Demonstration 4: Enum Singleton
		Analysis
	Q&A Session Continued
Chapter 8: Proxy Pattern
	GoF Definition
	Concept
	Real-Life Example
	Computer World Example
	Implementation
		Class Diagram
		Package Explorer View
		Demonstration 1
		Output
	Q&A Session
		Demonstration 2
		Output
Chapter 9: Decorator Pattern
	GoF Definition
	Concept
	Real-Life Example
	Computer World Example
	Implementation
		Using Subclassing
		Using Object Composition
		Class Diagram
		Package Explorer View
		Demonstration
		Output
	Q&A Session
Chapter 10: Adapter Pattern
	GoF Definition
	Concept
	Real-Life Example
	Computer World Example
	Implementation
		Class Diagram
		Package Explorer View
		Demonstration 1
		Output
		Analysis
	Types of Adapters
		Object Adapters
		Class Adapters
	Q&A Session
		Demonstration 2
		Output
		Analysis
Chapter 11: Facade Pattern
	GoF Definition
	Concept
	Real-World Example
	Computer World Example
	Implementation
		Class Diagram
		Package Explorer View
		Demonstration
		Output
		Analysis
	Q&A Session
Chapter 12: Flyweight Pattern
	GoF Definition
	Concept
	Real-Life Example
	Computer World Example
	Implementation
		Class Diagram
		Package Explorer View
		Demonstration
		Output
		Analysis
	Q&A Session
Chapter 13: Composite Pattern
	GoF Definition
	Concept
	Real-Life Example
	Computer World Example
	Implementation
		Class Diagram
		Package Explorer View
		Demonstration
		Output
		Analysis
	Q&A Session
Chapter 14: Bridge Pattern
	GoF Definition
	Concept
	Real-Life Example
	Computer World Example
	Implementation
		Class Diagram
		Package Explorer View
		Demonstration 1
		Output
	Additional Implementation
		Class Diagram
		Demonstration 2
		Output
	Q&A Session
Chapter 15: Template Method Pattern
	GoF Definition
	Concept
	Real-Life Example
	Computer World Example
	Implementation
		Class Diagram
		Package Explorer View
		Demonstration 1
		Output
	Q&A Session
		Demonstration 2
		Output
Chapter 16: Observer Pattern
	GoF Definition
	Concept
	Real-Life Example
	Computer World Example
	Implementation
		Class Diagram
		Package Explorer View
		Demonstration
		Output
	Q&A Session
Chapter 17: Chain of Responsibility Pattern
	GoF Definition
	Concept
	Real-Life Example
	Computer World Example
	Implementation
		Class Diagram
		Package Explorer View
		Demonstration
		Output
	Q&A Session
Chapter 18: Iterator Pattern
	GoF Definition
	Concept
	Real-Life Example
	Computer World Example
	Implementation
		Class Diagram
		Package Explorer View
		Demonstration 1
		Output
		Additional Comments
		Demonstration 2
		Output
	Q&A Session
		Demonstration 3
		Output
Chapter 19: Command Pattern
	GoF Definition
	Concept
	Real-Life Example
	Computer World Example
	Implementation
		Class Diagram
		Package Explorer View
		Demonstration 1
		Output
	Q&A Session
	Modified Implementation
		Class Diagram
		Demonstration 2
		Output
Chapter 20: Memento Pattern
	GoF Definition
	Concept
	Real-Life Example
	Computer World Example
	Implementation
		Class Diagram
		Package Explorer View
		Demonstration 1
		Output
		Analysis
	Q&A Session
	Additional Implementation
		Class Diagram
		Package Explorer View
		Demonstration 2
		Output
		Analysis
Chapter 21: Strategy Pattern
	GoF Definition
	Concept
	Real-Life Example
	Computer World Example
	Implementation
		Class Diagram
		Package Explorer View
		Demonstration
		Output
	Q&A Session
Chapter 22: State Pattern
	GoF Definition
	Concept
	Real-Life Example
	Computer World Example
	Implementation
		Class Diagram
		Package Explorer View
		Demonstration
		Output
		Analysis
	Q&A Session
Chapter 23: Mediator Pattern
	GoF Definition
	Concept
	Real-Life Example
	Computer World Example
	Implementation
		Class Diagram
		Package Explorer View
		Demonstration 1
		Output
		Analysis
	Additional Implementation
		Demonstration 2
		Output
		Analysis
	Q&A Session
Chapter 24: Visitor Pattern
	GoF Definition
	Concept
	Real-Life Example
	Computer World Example
	Implementation
		Class Diagram
		Package Explorer View
		Demonstration 1
		Output
		Analysis
	Using Visitor Pattern and Composite Pattern Together
		Step 1
		Step 2
		Step 3
		Step 4
		Step 5
		Demonstration 2
		Output
		Analysis
		Demonstration 3
		Output
	Q&A Session
Chapter 25: Interpreter Pattern
	GoF Definition
	Concept
	Real-Life Example
	Computer World Example
	Implementation
		Class Diagram
		Package Explorer View
		Demonstration 1
		Output
		Analysis
	Q&A Session
	Alternative Implementation
		Demonstration 2
		Output
Chapter 26: Null Object Pattern
	Definition
	Concept
		A Faulty Program
		Output
		An Unwanted Input
		The Potential Fix
		Analysis
	Real-Life Example
	Computer World Example
	Implementation
		Class Diagram
		Package Explorer View
		Demonstration
		Output
		Analysis
	Q&A Session
Chapter 27: MVC Pattern
	Definition
	Concept
		Key Points to Remember
		Variation 1
		Variation 2
		Variation 3
	Real-Life Example
	Computer World Example
	Implementation
		Class Diagram
		Package Explorer View
		Demonstration
			Contents in Model Folder
				// Employee.java
				// Model.java
				// EmployeeModel.java
			Contents in View Folder
				// View.java
				// ConsoleView.java
			Contents in Controller Folder
				// Controller.java
				// EmployeeController.java
			Client Code
				// Client.java
		Output
	Q&A Session
		Modified Output
		Analysis
Chapter 28: Criticisms of Design Patterns
	Q&A Session
Chapter 29: Anti-Patterns
	Overview
	Brief History of Anti-Patterns
	Examples of Anti-Patterns
	Types of Anti-Patterns
	Q&A Session
Chapter 30: FAQ
Appendix A: A Brief Overview of
GoF Design Patterns
	Q&A Session
Appendix B: The Road Ahead
	A Personal Appeal to You
Appendix C: Recommended Reading
Index