Java JDBC CallableStatement create

import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.Date;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Types;

public class Main {
   public static void main(String[] args) {
      try {//from  w  ww  .  jav  a 2  s  . c  o m
         Connection conn = DriverManager.getConnection("jdbc:derby://localhost:1527/contact", "username", "password");
         String query = "{CALL GETDATE(?,?)}";

         CallableStatement callableStatement = (CallableStatement) conn.prepareCall(query);

         callableStatement.setInt(1, 123);
         callableStatement.registerOutParameter(1, Types.DATE);
         callableStatement.executeQuery();

         Date date = callableStatement.getObject(2, Date.class);

      } catch (SQLException ex) {
         ex.printStackTrace();
      }
   }

}