How to open Javadoc JAR file in web browser
- Rename the file connect-kotlin-protoc-gen-java-ext-v0.0.0-preview-javadoc.jar to connect-kotlin-protoc-gen-java-ext-v0.0.0-preview-javadoc.zip
- Use your favourite unzip tool (WinRAR / WinZIP) to extract it, now you have a folder connect-kotlin-protoc-gen-java-ext-v0.0.0-preview-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 "connect-kotlin-protoc-gen-java-ext-v0.0.0-preview-sources.jar" -d "connect-kotlin-protoc-gen-java-ext-v0.0.0-preview-javadoc" -subpackages 
