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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

Product type Paperback

Published in Apr 2019

Publisher Packt

ISBN-13 9781789809770

Length 360 pages

Edition 1st Edition

Languages

Java

Tools

Spring

Concepts

Design Patterns

Author (1):

Dr. Edward Lavieri Jr.

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Table of Contents (15) Chapters

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

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Understanding the fail-fast design pattern

The fail-fast reactive design pattern stipulates that if something is going to fail, let it happen as fast as possible. The intention is not to perform any unnecessary processing because something is going to fail. We should also be mindful of wasting user time. A scenario would be if a user was given the opportunity to complete a survey and receive a gift card for completing it. If the user answered the first 25 questions and then the survey indicated the user was not eligible for the survey or the gift card, the result would be dreadful. In this scenario, the disqualifying determination should be made much earlier.

Programming the design pattern

Let's take a look at an example...

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Authors (1)

Dr. Edward Lavieri Jr.

Dr. Edward Lavieri Jr.

Dr. Edward Lavieri Jr. is a seasoned software developer and senior member of the Institute of Electrical and Electronic Engineers (IEEE). He has developed software for over 30 years and primarily focused on Java for over 20 years. His experience includes both military information systems and the software design and development industry. Dr. Lavieri currently serves as a university dean for a college of computer science and a school of information technology as well as the chief academic officer of a programming bootcamp organization, all part of a regionally accredited US university. He holds a doctorate degree in computer science and a master's degree in information systems, along with other degrees and certificates.

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