Added documentation for Java8 and Java9 unimplemented features.#42

Draft

cons-dev wants to merge 3 commits intolambdaisland:mainfrom cons-dev:cons-unimplemented

+271-5

Commits on Dec 21, 2021

Added some documentation for the java8 and 9 stuff.
Irene Inanna Ingram
committed
Fixed minor error introduced to README.
cons-dev
authored
Removed extrenous space.
cons-dev
authored