How to open Javadoc JAR file in web browser Rename the file streamsupport-cfuture-1.7.4-javadoc.jar to streamsupport-cfuture-1.7.4-javadoc.zip Use your favourite unzip tool (WinRAR / WinZIP) to extract it, now you have a folder streamsupport-cfuture-1.7.4-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 "streamsupport-cfuture-1.7.4-sources.jar" -d "streamsupport-cfuture-1.7.4-javadoc" -subpackages
