© Adam L. Davis 2019
Adam L. DavisLearning Groovy 3https://doi.org/10.1007/978-1-4842-5058-7_1

1. Software to Install

Adam L. Davis1 
(1)
New York, NY, USA
 

Before you begin programming, you need to install some basic tools.

Java/Groovy

For Java and Groovy, you will need to install the following:

  • JDK (Java Development Kit) , such as JDK 11

  • IDE (Integrated Development Environment) , such as IntelliJ IDEA or NetBeans

  • Groovy

../images/426440_2_En_1_Chapter/426440_2_En_1_Figa_HTML.gif Install Java and an IDE

Download and install the Java JDK 111 and IntelliJ IDEA.2

../images/426440_2_En_1_Chapter/426440_2_En_1_Figb_HTML.gif Install Groovy

Go and install Groovy3 3.

You can download Groovy from https://groovy-lang.org and install it. If you install it manually, you may need to set the JAVA_HOME environment variable to the location of your Java installation and GROOVY_HOME to the location of your groovy installation.

For an easier experience, you may optionally use SDKMAN to install Java and Groovy using “sdk install java” and “sdk install groovy” on the command line. Go to sdkman.io to download it.

Trying It Out

After installing Groovy, you should use it to try coding. Open a command prompt and type groovyConsole and press enter to begin.

../images/426440_2_En_1_Chapter/426440_2_En_1_Figc_HTML.gif In the Groovy Console , type the following and then press Ctrl+R to run the code and Ctrl+W to clear the output:

1   print "hello"

You should keep the Groovy Console open and use it to try all of the examples in this book.

../images/426440_2_En_1_Chapter/426440_2_En_1_Figd_HTML.jpg

Others

Once you have the preceding software installed, you should probably install the following:

  • SDKMAN4—The Software Development Kit Manager

  • Git5—A version control program

  • Gradle6—The build tool

  • Grails7—The monolithic web framework

Go ahead and install these if you're in the mood—I'll wait.

Code on GitHub

A lot of the code from this book is available at https://github.com/adamldavis/learning-groovy.8 You can go there at any time to follow along with the book.

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