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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 FREE CHAPTER
2. Unified Modeling Language Primer 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

Combining objects with the composite design pattern

The composite design pattern allows us to create an object tree structure. We can then treat both objects and the tree structures in the same manner, as individual objects. Without this design pattern, we can run into problems when we create structures from multiple objects. The problems stem from the need to treat primitive objects and the composite differently. The composite design pattern was created to overcome the aforementioned problem.

In order to implement the composite design pattern, we first create an abstract class to represent the primitive and tree structures.

Use case

To implement the composite design pattern, we will create a kitchen staff management system...

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