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We’ll download the Java SE 8, which was the latest version of Java available while writing this book. Accept the license agreement and select the proper link depending on the Operational System (OS) installed on your computer.
While Java programmers need JDK installed, the users of your applications need to have Java Runtime Environment (JRE) installed on their machines.
Without applications, computers, smartphones, and game consoles would have very limited use for most people.
We casually say to each other, “I’ve installed a cool application that can do this and that”.
Java can be embedded in tiny microchips that control various home appliances or industrial devices like the ones that power smart homes where the heat or light can be programmed remotely from your phone.
These Internet-connected things can be programmed in Java. With so many million of professional Java programmers in the world, you’ll find lots of sample program online so if you’re run into a problem, you can either find the solution by searching or ask in one of the popular online forums like Stack Overflow, and someone will probably answer your question!
In the book you’ll be using the same tools used by professional programmers.
As a bonus, the last chapter will teach you how to publish your code on the Web on a super popular site called Git Hub.