====== Groovy 3 ======
  * [[https://groovy-lang.org/releasenotes/groovy-3.0.html|The Apache Groovy programming language - Groovy 3.0 release notes]]
  * [[https://blogs.apache.org/groovy/entry/groovy-3-highlights|Groovy 3 Highlights : Groovy]]
  * [[https://www.youtube.com/watch?v=TjLDHIa-HVE|Groovy 3 Quick Review - the most anticipated Groovy version is finally here! | #groovylang - YouTube]]
  * [[https://www.youtube.com/watch?v=FPA_3dXzH7A|Groovy 3 & Beyond: An Insider's Guide - YouTube]]
  * [[https://www.youtube.com/watch?v=B05oJjtSEVQ|Groovy update: What's new in Groovy 2.5 and 3.0 and what's coming in 4 and beyond - YouTube]]
  * [[https://www.youtube.com/watch?v=yN6EbeevV2w|Groovy 3 @NullCheck annotation example - tutorial | #groovylang - YouTube]]
  * [[https://www.youtube.com/watch?v=f1WkgEe-YbQ|Groovy 3 YamlSlurper and YamlBuilder examples - tutorial | #groovylang - YouTube]]