Here’s an index of the G$D/Groovy posts, which I’ll update as I add to the series, for handy reference:

Getting Started

• Introduction to the G$D/Groovy series
• Installing Groovy with a working ~/.groovy/lib

Collections

• The each() method and collections

Swing

• Basic SwingBuilder
• Updating a running SwingBuilder UI and the secret widget() method
• Radio buttons and SwingBuilder

Closures

• Basic closures in Groovy

Documentation

• Finding Groovy help when this blog is not enough