Book Image

Java 9 Programming Blueprints

By : Jason Lee
Book Image

Java 9 Programming Blueprints

By: Jason Lee

Overview of this book

Java is a powerful language that has applications in a wide variety of fields. From playing games on your computer to performing banking transactions, Java is at the heart of everything. The book starts by unveiling the new features of Java 9 and quickly walks you through the building blocks that form the basis of writing applications. There are 10 comprehensive projects in the book that will showcase the various features of Java 9. 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 a few. The book covers various libraries and frameworks in these projects, and also introduces a few more frameworks that complement and extend the Java SDK. Through the course of building applications, this book will not only help you get to grips with the various features of Java 9, but will also teach you how to design and prototype professional-grade applications with performance and security considerations.
Table of Contents (19 chapters)
Title Page
About the Author
About the Reviewer
Customer Feedback
Taking Notes with Monumentum

Getting started

Before we get to our application, we should spend some time getting a better understanding of the term Function as a Service (FaaS). The term itself is a continuation of the blank as a service trend we've seen for a few years now. There is a host of such terms and offerings, but the big three are Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS). Oftentimes, these three build on each other as seen in the following diagram:

The lowest level of the cloud computing offerings, Infrastructure as a Service providers, offers infrastructure-related assets in the cloud. Typically, this can be as simple as file storage, but usually means virtual machines. By using an Infrastructure as a Service provider, clients need not worry about buying, maintaining, or replacing hardware, as that is handled by the provider. Clients are billed, instead, only on resources used.

Moving up the stack, Platform as a Service providers offer cloud-hosted application...