gdx-autumn-fcs
· Desktop natives for LibGDX Autumn - dependency injection library. Currently, it's a meta-package that points to "gdx-autumn-desktop-classgraph". It's deprecated and is due to removal. Please consider updating to either "gdx-autumn-desktop-classgraph" or "gdx-autumn-desktop-fcs".
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window gdx-autumn-fcs-1.10.1.12.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.