🚀 go-pugleaf

I would like to override the default ClassLoader.  First, assuming I make a
custom ClassLoader, how do I tell the JVM to use this new ClassLoader?  VM
Command-line parameter?  If so, which one?

Second, I want to do two things in my ClassLoader class.  I want to use FTP
to check a network location for an updated copy of the class.  If there is a
more recent copy, I want to copy it to the local machine before loading (a
little like an applet, but I want to keep the classes locally permanently,
and not have applet restrictions).  I also want to possibly load a subclass
of the class insetad of the actual class.  Example: ClassLoader thinks it
wants to load "com.tms.MyClass", but I might want to load
"com.tms.mods.MyClass" (which is a modified subclass of "com.tms.MyClass")
instead.

Any hints would be greatly appreciated,
Jason Burton