Book Image

Java 9: Building Robust Modular Applications

By : Dr. Edward Lavieri, Peter Verhas, Jason Lee
Book Image

Java 9: Building Robust Modular Applications

By: Dr. Edward Lavieri, Peter Verhas, Jason Lee

Overview of this book

Java 9 and its new features add to the richness of the language; Java is one of the languages most used by developers to build robust software applications. Java 9 comes with a special emphasis on modularity with its integration with Jigsaw. This course is your one-stop guide to mastering the language. You'll be provided with an overview and explanation of the new features introduced in Java 9 and the importance of the new APIs and enhancements. Some new features of Java 9 are ground-breaking; if you are an experienced programmer, you will be able to make your enterprise applications leaner by learning these new features. You'll be provided with practical guidance in applying your newly acquired knowledge of Java 9 and further information on future developments of the Java platform. This course will improve your productivity, making your applications faster. Next, you'll go on to implement everything you've learned by building 10 cool projects. You will learn to build an email filter that separates spam messages from all your inboxes, a social media aggregator app that will help you efficiently track various feeds, and a microservice for a client/server note application, to name just a few. By the end of this course, you will be well acquainted with Java 9 features and able to build your own applications and projects. This Learning Path contains the best content from the following two recently published Packt products: • Mastering Java 9 • Java 9 Programming Blueprints
Table of Contents (33 chapters)
Title Page - Courses
Packt Upsell - Courses
Taking Notes with Monumentum

Getting started

The first step is to get the Android development environment set up. As with regular Java development, an IDE isn't strictly necessary, but it sure helps, so we'll install Android Studio, which is an IDE based on IntelliJ IDEA. If you already have IDEA installed, you can just install the Android plugin and have everything you need. For our purposes here, though, we'll assume you don't have either installed.

  1. To download Android Studio, go to, and download the package appropriate for your operating system. When you start Android Studio for the first time, you should see following screen:
  1. Before we start a new project, let's configure the Android SDKs that are available. Click on the Configure menu in the bottom-right corner, then click on SDK Manager to get this screen:

Which SDKs you select will vary depending on your needs. You may need to support older devices as far back as, say, Android 5.0, or maybe you just want to support...