How to open Javadoc JAR file in web browser
- Rename the file nacos-core-1.2.1.aghost-fix.20210122-javadoc.jar to nacos-core-1.2.1.aghost-fix.20210122-javadoc.zip
- Use your favourite unzip tool (WinRAR / WinZIP) to extract it, now you have a folder nacos-core-1.2.1.aghost-fix.20210122-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 "nacos-core-1.2.1.aghost-fix.20210122-sources.jar" -d "nacos-core-1.2.1.aghost-fix.20210122-javadoc" -subpackages 
