What you need for this book

In this section, we describe some of the requirements that are necessary to read and understand this book. We explain how to install the Java Development Kit that is required to run Scala programs, and show how to use Simple Build Tool to run various examples.

We will not require an IDE in this book. The program that you use to write code is entirely up to you, and you can choose anything, such as Vim, Emacs, Sublime Text, Eclipse, IntelliJ IDEA, Notepad++, or some other text editor.

Installing the JDK

Scala programs are not compiled directly to the native machine code, so they cannot be run as executables on various hardware platforms. Instead, the Scala compiler produces an intermediate code format, called the Java bytecode. ...

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