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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

Microbenchmarking

Microbenchmarking is measuring the performance of a small code fragment. When we want to optimize our code, we will have to measure it. Without measurement, code optimization is like shooting blindfolded. You will not hit the target, but you likely will shoot somebody else.

Shooting is a good metaphor because you should usually not do it, but when you really have to, then you have no choice. If there is no performance issue and the software meets requirements, then any optimization, including speed measurement, is a waste of money. This does not mean that you are encouraged to write slow and sloppy code. When we measure performance, we compare it against a requirement, and the requirement is usually at the user level, something like "the response time of the application should be less than 2 seconds". To do such a measurement, we usually create load...

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