Java combines read Json__python with Redis set set

Package com.juanpi.plugins;
Import Com.juanpi.common.CalendarUtil;
Import Com.juanpi.common.RedisUtil;
Import Java.util.Calendar;
Import Java.util.Iterator;
Import Java.util.Map;
Import Java.util.Set;
Import Net.minidev.json.JSONArray;
Import Net.minidev.json.JSONObject;
Import Net.minidev.json.JSONValue;
Import Org.apache.commons.logging.Log;
Import Redis.clients.jedis.Jedis; public class Testset {public static void main (string[] args) throws Exception {Redisutil Redisutil = REDISUTIL.G
        Etinstance ();
        Jedis Redis = Redisutil.getjedis ();
            try {redis.clientsetname ("Test_redis");
            Jsonobject USER_KQ = new Jsonobject ();
            String _key= "20140423";
                for (int i=1;i<3;i++) {user_kq.clear ();  
                User_kq.put ("UID", i+ "1");
                User_kq.put ("App", "1");
                User_kq.put ("from", "2");
                User_kq.put ("ClientID", "123"); Redis.sadd (_key, User_kq.tojsOnstring ()); } System.out.println (Redis.smembers (_key));/return all data in a collection System.out.println (Redis.scard (_key));
            Returns the quantity in the collection System.out.println (Redis.sismember (_key, user_kq.tojsonstring ()));//Determine whether a member is in the collection//Traversal collection
            Set<string> smember=redis.smembers (_key);
            Iterator<string> it = Smember.iterator ();
                while (It.hasnext ()) {String j=it.next ();
                Jsonobject json = (jsonobject) jsonvalue.parse (j);
            System.out.println (Json.get ("UID"));
            The catch (Exception e) {Redisutil.releasejedis (Redis);
        E.printstacktrace ();
 }
    }
}