Virtual File System Tests
· Test for VFS, which provides support for mounting multiple back-end AbstractFile implementations in a virtual file structure
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 maverick-virtual-filesystem-tests-3.1.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.