java6: add desc (#9626)
java6: add desc (#9626)

* java6: add desc

* Update java6.rb

Co-authored-by: Markus Reiter <b1c1d8736f20db3fb6c1c66bb1455ed43909f0d8@reitermark.us>
caskroom/homebrew-versions,pkq/homebrew-versions,404NetworkError/homebrew-versions,pkq/homebrew-versions,caskroom/homebrew-versions,mahori/homebrew-cask-versions,404NetworkError/homebrew-versions