Now that you have learned how to declare annotations and how to attach them to classes and methods, we can return to our ProductInformation class. You may recall that we wanted to specify the type of products in this class and that each product type is represented by an @interface annotation. We have already listed it in the previous few pages, the one we will implement in our @PoweredDevice example. We will develop the code assuming that later, there will be many such annotations, product types, and consistency checkers that are annotated with @Component and with one or more of our annotations.
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Java Projects - Second Edition
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Java Projects
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Overview of this book
Java is one of the most commonly used software languages by programmers and developers. In this book, you’ll learn the new features of Java 11 quickly and experience a simple and powerful approach to software development. You’ll see how to use the Java runtime tools, understand the Java environment, and create a simple namesorting Java application. Further on, you'll learn about advanced technologies that Java delivers, such as web programming and parallel computing, and will develop a mastermind game. Moving on, we provide more simple examples, to build a foundation before diving into some complex data structure problems that will solidify your Java 11 skills. With a special focus on the features of new projects: Project Valhalla, Project Panama, Project Amber, and Project Loom, this book will help you get employed as a top-notch Java developer. By the end of the book, you’ll have a firm foundation to continue your journey toward becoming a professional Java developer.
Table of Contents (12 chapters)
Preface
Free Chapter
Getting Started with Java 11
The First Real Java Program - Sorting Names
Optimizing the Sort - Making Code Professional
Mastermind - Creating a Game
Extending the Game - Run Parallel, Run Faster
Making Our Game Professional - Do it as a Web App
Building a Commercial Web Application Using REST
Extending Our E-Commerce Application
Building an Accounting Application Using Reactive Programming
Finalizing Java Knowledge to a Professional Level
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