Finalizer.register

Can anyone please explain me the relationship between Finalizer.register and the ReferenceQueue ?Also, state the differnce between Final refernce and teh otehr three types (SoftReference, WeakReference and PhantomReference)....Its Urgent!!!Thank you!
[278 byte] By [Java_Freaka] at [2007-10-3 5:21:11]
# 1
Apparantly continued from: http://forum.java.sun.com/thread.jspa?threadID=769661(for any who might reply and want to see the relevant history, and hopefully not duplicate what has already been said)The OP should have probably just continued there.
warnerjaa at 2007-7-14 23:28:08 > top of Java-index,Java Essentials,New To Java...
# 2
ok!!!
Java_Freaka at 2007-7-14 23:28:08 > top of Java-index,Java Essentials,New To Java...