jcf-dump --version (return code: 0)
jcf-dump (Ubuntu 6.4.0-7ubuntu1) 6.4.0 20170920
Copyright (C) 2017 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
jcf-dump --help (return code: 0)
Usage: jcf-dump [OPTION]... CLASS...
Display contents of a class file in readable form.
-c Disassemble method bodies
--javap Generate output in 'javap' format
--classpath PATH Set path to find .class files
-IDIR Append directory to class path
--bootclasspath PATH Override built-in class path
--extdirs PATH Set extensions directory path
-o FILE Set output file name
--help Print this help, then exit
--version Print version number, then exit
-v, --verbose Print extra information while running
For bug reporting instructions, please see:
<file:///usr/share/doc/gcc-6/README.Bugs>.