codes in the 100s are informational, indicating the client should respond with some other action.
values in the 200s signify that request was successful.
values in the 300s are used for files that have moved and usually include a Location header indicating the new address.
indicates error by client.
indicates error by server
A value of 200(SC_OK) means that everything is fine; the document follows for GET and POST request. This status is the default status for servlet.
The value is similar to 301, except that in principal the URL given by Location header should be interpreted as temporary replacement not permanent one.
The infamous 404(SC_NOT_FOND) status tells the client that no resource should be found at that address. This value is the standard “no such page” response.
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