Sets the realms managed by this <tt>SecurityManager</tt> instance.
@param realms the realms managed by this <tt>SecurityManager</tt> instance. @throws IllegalArgumentException if the realms collection is null or empty.
See Implementation
Sets the realms managed by this <tt>SecurityManager</tt> instance.
@param realms the realms managed by this <tt>SecurityManager</tt> instance. @throws IllegalArgumentException if the realms collection is null or empty.