How to open Javadoc JAR file in web browser
- Rename the file feral-lambda-api-gateway-proxy-http4s_2.13-0.0-a75a626-javadoc.jar to feral-lambda-api-gateway-proxy-http4s_2.13-0.0-a75a626-javadoc.zip
- Use your favourite unzip tool (WinRAR / WinZIP) to extract it, now you have a folder feral-lambda-api-gateway-proxy-http4s_2.13-0.0-a75a626-javadoc
- Double click index.html will open the index page on your default web browser.
How to generate Javadoc from a source JAR?
Running the command javadoc:
javadoc --ignore-source-errors -encoding UTF-8 -sourcepath "feral-lambda-api-gateway-proxy-http4s_2.13-0.0-a75a626-sources.jar" -d "feral-lambda-api-gateway-proxy-http4s_2.13-0.0-a75a626-javadoc" -subpackages 
