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• language conceptual enhancements
  • Support for closures - re-usable blocks of code
  • Native syntax for lists and maps
  • Support the Gof Builder pattern via the notion of builders
  • Syntax level regex operators and escape sequences
  • Native JavaBean support
  • Operator overloading  to simplify working with datatypes Collections and Maps
  • Polymorphic iteration and autoboxing
  • Extension of Java Standard Library through the GDK
• useful standard features to enhance developer productivity such as:
  • Groovy Markup for XML, DOM, ...
  • Groovy Path expression language
  • Groovlets for implementing Servlets easily in simple Groovy scripts
  • Ant Scripting
  • Groovy Categories allow you to add methods to classes with the "use" keyword
  • Groovy Template Engines which are pluggable, simple to use, integrate GPath and compile to bytecode
  • Groovy SQL for making SQL more Groovy

Modules

• Gant : a build tool for scripting Ant tasks using Groovy scripts, no XML.
• Grails : Groovy-based web framework inspired by Ruby on Rails
• Gram : a simple xdoclet-like tool for processing doclet tags or Java 5 annotations
• COM Scripting
• GroovySWT : wrapper around SWT , the eclipse graphical library

• Wiki Markup
  {link:GroovySOAP|http://docs.codehaus.org/display/GROOVY/Groovy+SOAP}{link}

  : accessing through groovy web services
• GSP : Groovy server pages
• GSQL : accessing databases through Groovy
• Process : handling external processes
• XML-RPC : RPC over HTTP really easily
• Jabber-RPC: RPC over Jabber based instant messaging systems (including Google Talk)

• Wiki Markup
  {link:GoogleDataSupport|http://docs.codehaus.org/display/GROOVY/Google+Data+Support}{link}

  : Use the Google Data APIs easily from within Groovy
• GORM : Grails Object-Relational Mapping
• Groovy Monkey: Eclipse Monkey port to Groovy with some enhancements.

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