Groovy#

Official Site https://groovy-lang.org
Download https://groovy.apache.org/download.html > latest stable (3.0.7) > binary

Set GROOVY_HOME#

Explorer > PC > right click > properties > Advanced system settings > Environment Variables
> New > "GROOVY_HOME" = C:\lang\groovy\groovy-3.0.7
> Mark Path > Edit > New > "%GROOVY_HOME%\bin"
Note: add GROOVY_HOME and edit path both at user or system level !

Check with cmd > groovy -v

Eclipse#

https://groovy-lang.org/ides.html > https://github.com/groovy/groovy-eclipse
> https://github.com/groovy/groovy-eclipse/wiki
> Install URL for Eclipse 4.19 (2021-03) = https://dist.springsource.org/release/GRECLIPSE/e4.19
> choose

• Main Package > Eclipse Groovy Development Tools 4.1.0.v202103311613...
• Note: "Maven Support" will cause Eclipse start failure

> Restart > New Project ...

Language features#

Console:

• stop printing all variables with a final "return"

Turn off warnings:

• --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.lang.invoke=ALL-UNNAMED