private String Driver = "com.mysql.jdbc.Driver";
private String CadenaConexionDriver = "jdbc:mysql://sql7.freemysqlhosting.net:3306/sql7136309";
private String usuario = "sql7136309";
private String pass = "password";


public Connection cn;

public ConexionBD(){

    try{
        Class.forName(Driver);
    cn = DriverManager.getConnection(CadenaConexionDriver,usuario,pass);
    JOptionPane.showMessageDialog(null,"se conecto!!");
    }catch(Exception e){
    }