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Java Projects

You're reading from   Java Projects Learn the fundamentals of Java 11 programming by building industry grade practical projects

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Product type Paperback
Published in Aug 2018
Publisher Packt
ISBN-13 9781789131895
Length 524 pages
Edition 2nd Edition
Languages
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Author (1):
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Peter Verhas Peter Verhas
Author Profile Icon Peter Verhas
Peter Verhas
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Table of Contents (12) Chapters Close

Preface 1. Getting Started with Java 11 FREE CHAPTER 2. The First Real Java Program - Sorting Names 3. Optimizing the Sort - Making Code Professional 4. Mastermind - Creating a Game 5. Extending the Game - Run Parallel, Run Faster 6. Making Our Game Professional - Do it as a Web App 7. Building a Commercial Web Application Using REST 8. Extending Our E-Commerce Application 9. Building an Accounting Application Using Reactive Programming 10. Finalizing Java Knowledge to a Professional Level 11. Other Books You May Enjoy

Service interface design

In this section, we will design the two interfaces that we will implement. When we design interfaces, we focus on the functionality first. Formatting and protocol come later. Interfaces, generally, should be simple and, at the same time, accommodate future changes. This is a hard problem because we cannot see into the future. Business, logistics, and all other experts may see some part of the future—how the world will change and what it will impose on the operation of the company and, especially, on the interface we provide for our partners.

The stability of an interface is of utmost importance because the partners are outside entities. We cannot refactor the code they use. When we change a Java interface in our code, the compiler will complain at all the code locations where the change should be followed. In case of an interface that is used outside...

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