java how to write server-side

java how to write a client server to receive incoming json is not scoket online Baidu via http for a long time did not find the tutorial
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If it is through http do the service side, it is common in the tomcat servlet hanging under it . Only this servlet receives json and returns the result .        listen to what you mean it is not php can be friends ?  
Yes , php can be, so you want the server is actually tomcat, jboss such
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JavaEE what , never heard of ?
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http://blog.csdn.net/sunxing007/article/details/4305956
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is through the browser via http chant , the server receives is actually receiving a json string , the string needs to turn json json-lib.jar

String json = request.getParameter("参数名称");
  JSONObject jsonObject = JSONObject.fromObject(json);
  JSONArray jsonArray = JSONArray.fromObject(json);

do not know if the landlord wanted
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is through the browser via http chant , the server receives is actually receiving a json string , the string needs to turn json json-lib.jar   
  

String json = request.getParameter("参数名称");
  JSONObject jsonObject = JSONObject.fromObject(json);
  JSONArray jsonArray = JSONArray.fromObject(json);

  
do not know if the landlord wanted  

with JSONArray parsing can also write their own code to parse the string can also see their own needs it.
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If it is done via http server , it is common in the tomcat servlet hanging under it . Only this servlet receives json and returns the result .
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If it is done via http server , it is common in the tomcat servlet hanging under it . Only this servlet receives json and returns the result .   listen to what you mean it is not php can also be friends ?
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I want to receive json ... now the problem is not resolved to close have not received it .. there are tutorials
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Direct use tomcat application server like this