clasificación de la página de JPA
Pageable sortedByName = PageRequest.of(0, 3, Sort.by("name"));
Pageable sortedByPriceDesc = PageRequest.of(0, 3, Sort.by("price").descending());
Pageable sortedByPriceDescNameAsc = PageRequest.of(0, 5, Sort.by("price").descending().and(Sort.by("name")));
Thoughtless Termite