redis jdbc insert data problems

During operation redis jdbc insert data is a string, but is this actually inserted characters in length such as : Insert myvalue, actually inserted 7

  public static void main(String []args)throws Exception{
  		Class.forName("br.com.svvs.jdbc.redis.RedisDriver"); 
  		
  		Connection conn = DriverManager.getConnection("jdbc:redis://localhost"); 
  	
  		Statement statement = conn.createStatement();
  		
  		statement.execute("set my_first_key myvalue"); 
  		
  		
  		statement.execute("get my_first_key"); 
  		
  		ResultSet r = statement.getResultSet(); 
  		
  		while(r.next()) {              
  			System.out.println(">" + r.getString(0) +  "<");           
  		} 

spooling Result:> 7 <
expected result :> myvalue <

how to correctly insert the data?
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with jedis it
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their first top
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Khan , nobody Yeah, Zaiding !
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read the code has several question marks have to learn from you ....
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use
StringBuffer s;
s.append (">");
s.append ("<");
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Can you say a little more , do not quite understand
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import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement;  public class RedisSample {          public static void main(String[] args) throws SQLException, ClassNotFoundException {                                  Class.forName("br.com.svvs.jdbc.redis.RedisDriver");                                  Connection conn = DriverManager.getConnection("jdbc:redis://localhost");                                  Statement statement = conn.createStatement();                                  statement.execute("set my_first_key my first value");                                  statement.execute("get my_first_key");                                  ResultSet r = statement.getResultSet();                 while(r.next()) {                         System.out.println(">" + r.getString(0) +  "<");                 }                          } }

http://code.google.com/p/jdbc-redis/wiki/FirstSetGet
execute the above code
print out the result: > 14 <
not expect results > my first value <
solving
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http://code.google.com/p/jdbc-redis/wiki/FirstSetGet
Top this
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top , seeking answers
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Zaiding , solving
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roar again , is there any heroes know, sir
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I have not got this problem for a long time not resolved , on the same run on linux