6.2. HTTP 1.1 Status Codes and Their Purpose
The following sections describe each of the status codes available for use in servlets talking to HTTP 1.1 clients, along with the standard message associated with each code. A good understanding of these codes can dramatically increase the capabilities of your servlets, so you should at least skim the descriptions to see what options are at your disposal. You can come back to get details when you are ready to make use of some of the capabilities. Note that Appendix A (Servlet and JSP Quick Reference) presents a brief summary of these codes in tabular format.
The complete HTTP 1.1 specification is given in RFC 2616, which you can access on-line by going to http://www.rfc-editor.org/ and following the ...
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