How to open Javadoc JAR file in web browser
- Rename the file spice4s-generator-core_2.13-0.0.2-25-7ad1a53-javadoc.jar to spice4s-generator-core_2.13-0.0.2-25-7ad1a53-javadoc.zip
- Use your favourite unzip tool (WinRAR / WinZIP) to extract it, now you have a folder spice4s-generator-core_2.13-0.0.2-25-7ad1a53-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 "spice4s-generator-core_2.13-0.0.2-25-7ad1a53-sources.jar" -d "spice4s-generator-core_2.13-0.0.2-25-7ad1a53-javadoc" -subpackages 
