The serialver command returns the serialVersionUID.
SYNOPSIS
serialver [ options ] [ classnames ]
options
Command-line options, as specified in this document.
classnames
One or more class names
DESCRIPTION
serialver returns the serialVersionUID for one or
more classes in a form suitable for copying into an evolving class. When
invoked with no arguments it prints a usage line.
Displays a simple user interface. Enter
the full class name and press either the Enter key or the Show button to
display the serialVersionUID.
-Joption
Pass option to the Java virtual machine, where
option is one of the options described on the
reference page for the java application
launcher. For example, -J-Xms48m sets the startup
memory to 48 megabytes.