The Groovy programming language is supported by the Apache Software Foundation and the Groovy community.

The Apache Groovy™ documentation is available as a single-page document, or a PDF, or feel free to pick at a direct section below. You can also browse documentation for other versions.

This book covers Groovy fundamentals, such as installing Groovy, using Groovy tools, and working with the Groovy Development Kit (GDK). You'll also learn more advanced aspects of Groovy.

Groovy lets you instantiate java.lang.String objects, as well as GStrings (groovy.lang.GString) which are also called interpolated strings in other programming languages.

A Java developer embarking on a Groovy adventure will always have Java in mind, and will progressively learn Groovy, one feature at a time, becoming more productive and writing more …

This is typical code that you would find coming from Java, where code has to be embedded into a class to be executable. Groovy makes it easier, the following code is equivalent:

Syntax This chapter covers the syntax of the Groovy programming language. The grammar of the language derives from the Java grammar, but enhances it with specific constructs for Groovy, and …

Nov 30, 2025 · For a quick and effortless start on Mac OSX, Linux, WSL2 or Cygwin, you can use SDKMAN! (The Software Development Kit Manager) to download and configure any Groovy version …

Nov 30, 2025 · All (non-comparator) Groovy operators have a corresponding method that you can implement in your own classes. The only requirements are that your method is public, has the correct …

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