- is an agile and dynamic language for the Java Virtual Machine
- builds upon the strengths of Java but has additional power features inspired by languages like Python, Ruby and Smalltalk
- makes modern programming features available to Java developers with almost-zero learning curve
- supports Domain-Specific Languages and other compact syntax so your code becomes easy to read and maintain
- makes writing shell and build scripts easy with its powerful processing primitives, OO abilities and an Ant DSL
- increases developer productivity by reducing scaffolding code when developing web, GUI, database or console applications
- simplifies testing by supporting unit testing and mocking out-of-the-box
- seamlessly integrates with all existing Java classes and libraries
- compiles straight to Java bytecode so you can use it anywhere you can use Java
Experience Groovy 2.0
Groovy 2.0 is the latest major and stable version of the popular dynamic language for the JVM. To learn more about the novelties, make sure to read the detailed article on InfoQ. In a nutshell, Groovy 2.0 adds static type checking to let the compiler tell you about the correctness of your code, static compilation for the performance of the critical parts of your application, modularity by splitting the Groovy JAR into smaller feature-oriented modules as well as allowing you to create your own extension modules, JDK 7 Project Coin syntax enhancements so that Groovy marries itself well with Java, and JDK 7 Invoke Dynamic integration to benefit from the dynamic language support of the JVM.
"Groovy is like a super version of Java. It can leverage Java's enterprise capabilities but also has cool productivity features like closures, builders and dynamic typing. If you are a developer, tester or script guru, you have to love Groovy."
A simple hello world script:
A more sophisticated version using Object Orientation:
Leveraging existing Java libraries:
On the command line:
Latest news [more]
Hot on the heels of the release of our new major release of Groovy 2.2.0, we're delivering a first bug fix release with Groovy 2.2.1.
As a refresher, be sure to have a look at the release notes for Groovy 2.2.0 to remember the various improvements and enhancements that got integrated.
Some fixes didn't make it in the RC phase, and additional further fixes appeared upon wider usage of 2.2.0 in the wild. Those fixes cover various areas, such as issues with Groovysh, a couple VerifyErrors, some fixes to our AST transformations, a problem with the new implicit closure coercion mechanism. For more details, you can have a look at the full JIRA release notes.
And go download Groovy 2.2.1!
Thanks a lot for your attention and your contributions.