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Hands-On Design Patterns with Java

You're reading from   Hands-On Design Patterns with Java Learn design patterns that enable the building of large-scale software architectures

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Product type Paperback
Published in Apr 2019
Publisher Packt
ISBN-13 9781789809770
Length 360 pages
Edition 1st Edition
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Author (1):
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Dr. Edward Lavieri Jr. Dr. Edward Lavieri Jr.
Author Profile Icon Dr. Edward Lavieri Jr.
Dr. Edward Lavieri Jr.
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Table of Contents (15) Chapters Close

Preface 1. Section 1: Introducing Design Patterns
2. Unified Modeling Language Primer FREE CHAPTER 3. Object-Oriented Design Patterns 4. Section 2: Original Design Patterns
5. Behavioral Design Patterns 6. Creational Design Patterns 7. Structural Design Patterns 8. Section 3: New Design Patterns
9. Architectural Patterns - Part I 10. Architectural Patterns - Part II 11. Functional Design Patterns 12. Reactive Design Patterns 13. Assessments 14. Other Books You May Enjoy

Introducing creational design patterns

Creational design patterns are used to manage the objects as they are instantiated (created). In Java, there are two basic creation patterns. When we create classes, we use inheritance. When creating objects, we can assign the creation task to other objects.

The purposes of creational design patterns are as follows:

  • Separate object creation from the system
  • Support reliance on object creation vice inheritance
  • Encapsulate information regarding which classes are used by a system
  • Protect object creation details

The six creational design patterns presented in this chapter can be grouped into two subcategories—those that focus on classes and those that focus on objects. The following table details these subcategories:

Object Scope Class Scope
Abstract factory pattern Factory pattern
Builder pattern Simple factory pattern
Prototype...
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