public class credenciales
{
    String user;
    String pass;

    public credenciales()
    {
    }

    public String devolverUser(){
        return user;
    }

    public String devolverPass(){
        return pass;
    }

    public void modificarUser(String user){
        this.user = user;
    }

    public void modificarPass(String pass){
        this.pass = pass;
    }
}