public void display()
    {	
		System.out.println("Usuario: "+ username);
		System.out.println(timeString(timestamp));
		
		/*System.out.println(likes + " me gusta");
		
		if(comments.isEmpty()) {
			System.out.println("No hay comentarios");		
		}
		else {
			System.out.println("Hay " + comments.size() + " comentario(s)");
			for (String comment : comments) {
				System.out.println(comment);
			}
		}*/
		

	}