Hashtable class, managing MIDP collections with, 44
HEAD HTTP operation, 94
headers in HTTP requests and responses, 93
hex encoded strings and byte arrays, converting for protected password clients, 161
HexCodec helper class example, using with protected password protocol, 161-162
HTML (hypertext markup language) versus XML, 141
HTTP (hypertext transfer protocol)
passing parameters in, 95
review of, 93-94
HttpConnection methods, 92
HttpSession object, retrieving with servlet, 101-102
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