POST request send json data java

http://stackoverflow.com/questions/21404252/post-request-send-json-data-java-httpurlconnection

http://crunchify.com/how-to-send-http-request-and-capture-response-in-java/

http://stackoverflow.com/questions/7181534/http-post-using-json-in-java

http://www.xyzws.com/Javafaq/how-to-use-httpurlconnection-post-data-to-web-server/139

https://hc.apache.org/httpcomponents-client-ga/httpclient/dependency-info.html

http://stackoverflow.com/questions/22816335/java-httprequest-json-response-handling