Apache Groovy is an object-oriented, optionally-typed and dynamic language, with static typing and compilation capabilities for the Java platform.
Influenced by Java, Objective-C, Perl, Python, Ruby, and Smalltalk, it can be used as a programming language or as a scripting language for the Java platform, compiling to Java virtual machine bytecode, and accessing other Java code and Java libraries.
Groovy was first announced by James Strachan, the lead designer, in 2003, and it was submitted to the Java Community Process (JCP) program the following year. Several versions were submitted during the next couple of years, but after the JCP standardization effort began, the version numbering changed, and a version called version 1.0 was released in January of 2007. Strachan had left the project by then.
While Java and Groovy code is similar, Groovy code tends to be more compact because it doesn't require all of the elements required of Java. Because Java files are usually valid in Groovy as well, Java programmers should have an easy time learning Groovy.
Apache Groovy features that are not included in Java include static and dynamic typing, the native syntax for lists and associative arrays, native support for regular expressions, operator overloading, both string and polymorphic iteration, the safe navigation operator, and added helper methods.
Groovy has native support for markup languages, like HTML and XML, through its inline Document Object Model (DOM) syntax.
Grails is an open-source web application framework using the Apache Groovy programming language. Originally known as Groovy on Rails, that name was dropped at the request of the Ruby on Rails founder. Interestingly, Ruby on Rails later began referring to its own application framework like Rails.
Another application framework for developing desktop applications in the Java virtual machine is Griffon. Groovy is the primary language of choice.
GroovyBeans are Apache Groovy's version of JavaBeans, classes that encapsulate several objects into a single object, known as the bean.
Geb is a browser functional testing framework that facilitates writing functional tests in Groovy.
GrooScript is an alternative implementation of Groovy, which converts Groovy code into JavaScript code. Plugin support for Grails is included.
The Groovy programming language is supported by the Apache Software Foundation and the Groovy developer community. The language is licensed as open-source under the Apache 2 License.
The Apache Groovy programming language, often known simply as Groovy, is the focus of topics in this category. It, along with any other implementations or dialects, and any IDEs, editors, application frameworks, or other tools designed for use in Groovy. Groovy user groups, forums, tutorials, or guides are also appropriate for this category.
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Designed to have a flat learning curve, smooth Java integration, a vibrant ecosystem, domain-specific languages, scripting, and testing glue, and powerful features, the Groovy programming language is largely supported by the Apache Software Foundation. Its distributions may be downloaded from the site, along with other resources. Its documentation, support options, a calendar of events, and information for those who may want to become involved in its development.
http://www.groovy-lang.org/
The online community is privately operated and is not affiliated with the official Apache Groovy project. Access to the site is subject to a verification process. However, its code of conduct, reporting policies, consequences, and administrative roles in the community are given, including its prioritization of the concerns of people deemed to be marginalized. The community’s resource channels, location channels, and other public and private channels are discussed.
https://groovycommunity.com/
Apache Groovy: Getting Involved
The Apache Software Foundation invites the assistance of people who are interested in making the Groovy programming language better, as part of the Groovy development team, contributing to discussions on Slack, submitting bug reports, documenting various aspects of the language, or in other ways, which are discussed here. Additionally, the Apache Foundation has set up an open collective for Groovy, known as Friends of Groovy Open Collective.
http://groovy.apache.org/
Hosted by the Open Source Collective, the collective was formed to support various endeavors related to projects associated with the Apache Groovy programming language. Unlike the Apache Software Foundation, the collective does accept cash contributions, which are used to support the Groovy community in an unofficial capacity, such as sponsoring activities, travel expenses for people promoting Groovy, and developing features and fixing bugs in the language.
https://opencollective.com/friends-of-groovy/
The latest version of Groovy may be freely downloaded from the site, binary distribution links are also available and, while the source code is not necessary in order to use Apache Groovy, the instructions for viewing are given. Documentation on the language, development notes, announcements, as well as other resources, known as its ecosystem, are included, many of which may also be downloaded. Applicable files may be either cloned or downloaded from the site.
https://github.com/apache/groovy
Released in 2005, Grails is an open-source web application framework that uses the Apache Groovy programming language and reuses Java technologies such as Hibernate and Spring Boot under one interface. Offering smooth integration with Java and GORM, domain-specific languages, IDE support, and other technologies, Grails is available under the Apache 2.0 license. Its features, documentation, guides, plugins, and commercial support services are defined.
https://grails.org/
Udemy: The Complete Apache Groovy Developer Course
Udemy is an online educational platform, designed for professional adults and individuals wanting to expand their knowledge in specific areas. Its course on the Groovy programming language will teach students to create Groovy applications from scratch, to write them in IntelliJ, to use the Groovy Console, and to understand the features of the language. The course includes 13.5 hours of video and a downloadable resource. A completion certificate is issued.
https://www.udemy.com/apache-groovy/
