Tim Berglund & Matthew McCullough 
Building and Testing with Gradle [PDF ebook] 
Understanding Next-Generation Builds

Build and test software written in Java and many other languages with Gradle, the open source project automation tool thats getting a lot of attention. This concise introduction provides numerous code examples to help you explore Gradle, both as a build tool and as a complete solution for automating the compilation, test, and release process of simple and enterprise-level applications.Discover how Gradle improves on the best ideas of Ant, Maven, and other build tools, with standards for developers who want them and lots of flexibility for those who prefer less structure.Use Gradle with Groovy, Clojure, Scala, and languages beyond the JVM, such as Flex and CGet started building a simple Java program using Gradle’s command line tooling and a small build script Learn how to configure and construct tasks, Gradle’s fundamental unit of build activity Take advantage of Gradle’s integration with Ant Use Gradle to integrate with or transition from Maven, and to build software more cleanly Perform application unit and integration tests using JUnit, Test NG, Spock, and Geb