Netbeans - No puedo conectar mysql con java

import java.sql.Connection;

import java.sql.DriverManager;

import javax.swing.JOptionPane;

public class mysql{

    private static String db="agenda";

    private static String user="root";

    private static String pass="";

    private static String url="jdbc.mysql://localhost/"+db;

    private static Connection Conn;

    public static Connection getConnect(){

        try{

           Class.forName("com.mysql.jdbc.Driver");

            //Class.forName("org.gjt.mm.mysql.Driver");

            Conn=DriverManager.getConnection(url,user,pass);

        }catch(Exception e){

            JOptionPane.showMessageDialog(null,"Error: "+e.getMessage());

        }

        return Conn;

    }

}