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Real-World Implementation of C# Design Patterns

You're reading from   Real-World Implementation of C# Design Patterns Overcome daily programming challenges using elements of reusable object-oriented software

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Product type Paperback
Published in Oct 2022
Publisher Packt
ISBN-13 9781803242736
Length 442 pages
Edition 1st Edition
Languages
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Author (1):
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Bruce M. Van Horn II Bruce M. Van Horn II
Author Profile Icon Bruce M. Van Horn II
Bruce M. Van Horn II
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Toc

Table of Contents (16) Chapters Close

Preface 1. Part 1: Introduction to Patterns (Pasta) and Antipatterns (Antipasta)
2. Chapter 1: There’s a Big Ball of Mud on Your Plate of Spaghetti FREE CHAPTER 3. Chapter 2: Prepping for Practical Real-World Applications of Patterns in C# 4. Part 2: Patterns You Need in the Real World
5. Chapter 3: Getting Creative with Creational Patterns 6. Chapter 4: Fortify Your Code With Structural Patterns 7. Chapter 5: Wrangling Problem Code by Applying Behavioral Patterns 8. Part 3: Designing New Projects Using Patterns
9. Chapter 6: Step Away from the IDE! Designing with Patterns Before You Code 10. Chapter 7: Nothing Left but the Typing – Implementing the Wheelchair Project 11. Chapter 8: Now You Know Some Patterns, What Next? 12. Index 13. Other Books You May Enjoy Appendix 1: A Brief Review of OOP Principles in C# 1. Appendix 2: A Primer on the Unified Modeling Language (UML)

Getting Creative with Creational Patterns

Creational patterns deal with creating objects, a process we call instantiation. Remember, an object is a class that has been instantiated. Objects only exist in running programs. They are built from blueprints called classes. Since C# is a static language, you can’t generally change the structure of an object once it has been instantiated, which means you should use the best strategy to create your objects. That’s what we’ll be discussing in this chapter.

Even if you’re new to software development with C# (that might be the first pun in the book that relies only on formatting to be funny), you already know the simplest way to instantiate an object from a class. You simply use the new keyword and invoke the class’s constructor:

var myConcreteClass = new ConcreteObjectThingy();

That’s instantiation. You’re creating an instance of a class that acts as the point where the class turns into...

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