If memory serves, it is certainly possible to get up-and-running with CLJS without needing Java, but I cannot remember how. There is this tool, which might also be helpful: <a href="https:&#x2F;&#x2F;github.com&#x2F;oakmac&#x2F;cuttle" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;oakmac&#x2F;cuttle</a>