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Java json lib

Java json lib
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jacksonûÓÐÏñjson-libÒ»ÑùµÄxml--jsonÖ®¼äÖ±½Óת»»µÄ¹¦ÄÜ
gson±ÈjacksonÂýÒ»¸öÊýÁ¿¼¶,¶øÇÒgsonÊǶÔfieldÐòÁл¯,²»·ûºÏjava bean¹ßÀý¶ÔgetterÐòÁл¯.
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json-libÓëstruts2´øµÄjson²å¼þÏà±ÈÒ²ÒªÂý30%£¬ÐÔÄÜȷʵһ°ã¡£
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http://jackson.codehaus.org/Tutorial
http://jackson.codehaus.org/Home
It support following features:
Streaming API is best performing (lowest overhead, fastest read/write; other 2 methods build on it)
Data Binding is often most convenient
Tree Model is most flexible


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