p. 252: Change
uc.getHeaderField("content-encoding"));
to
uc.getHeaderField("content-encoding");
That is, delete the extra closing parenthesis.
p. 253: Change "The first header is zero." to "The first MIME header is one." in both the third and fourth paragraphs of body text.
p. 276, paragraph 3: Change "The request above contains two name-value pairs, separated by ampersands." to "The request above contains two name-value pairs, separated by an ampersand."
p. 278: In Example 10-16 delete the line int cl = query.length();
p. 293: change "The createURLStreamHandler() method
of the createURLStreamHandlerFactory interface" to
"The createURLStreamHandler() method
of the URLStreamHandlerFactory interface"