I am updating the section of Core Java that explains how to make a POST request. The service that I used in the previous edition was discontinued, so I tried using the USPS ZIP code lookup. The POST redirects to a GET, but that's ok—HttpURLConnection can handle redirects. But when the user agent contains the string Java, the post office redirects to a dead end!

http://horstmann.com/unblog/2016-04-20/index.html
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