javah -version (return code: 0)
javah version "1.8.0_131"
javah --help (return code: 0)
Usage:
javah [options] <classes>
where [options] include:
-o <file> Output file (only one of -d or -o may be used)
-d <dir> Output directory
-v -verbose Enable verbose output
-h --help -? Print this message
-version Print version information
-jni Generate JNI-style header file (default)
-force Always write output files
-classpath <path> Path from which to load classes
-cp <path> Path from which to load classes
-bootclasspath <path> Path from which to load bootstrap classes
<classes> are specified with their fully qualified names
(for example, java.lang.Object).