sun.net.www.protocol.Handler
to sun.net.www.protocol.protocol.Handler
p. 288, paragraph 4:
Change "This method must be overridden in each subclass of URLConnection." to "This method must be overridden in each subclass of URLStreamHandler."
p. 291: In Example 11-2 at the top of the page change return text/plain;
to return "text/plain;"