Erro de conexão de java com sql server 2000

package co;

import java.sql.*;   

public class Cone   
{        
    private String driver;   
    private String url;   
    private String user;   
    private String password;   
    
    public Connection connection;   
     
       
    public Statement statement1;   
  
    private Cone()   
    {   
        
    	
        driver   = "net.sourceforge.jtds.jdbc.Driver";   
        
        url      = "jdbc:jtds:sqlserver://fernando:1433;hidroponia";
        
    

           
        user     = "sa";   
        password = "220587";   
    }   
       
    public static void main(String args[])   
    {   
        Cone teste = new Cone();           
  
        if (teste.conectaBD())   
        {   
            System.out.println("Conectou...");   
        }   
    }       
  
    private boolean conectaBD()   
    {   
        try  
        {     
        	Class.forName("net.sourceforge.jtds.jdbc.Driver");  
        	connection = DriverManager.getConnection(url, user, password);   
            statement1 = connection.createStatement();               
  
        }   
        catch(ClassNotFoundException exception)   
        {   
            System.out.println("Classe nao encontrada1: " + exception);   
            return false;   
        }   
        catch(SQLException exception)   
        {   
            System.out.println("SQLException: " + exception);   
            return false;   
        }   
        return true;   
    }   
}