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.

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>.