Анонимна функция: Разлика между версии

 

// with a code block

 

// with multiple statements in the lambda body. It requires a code block.

// This example also includes two nested lambda expressions (the first one is also a closure).

Optional<Product> product = productList.stream().filter(p -> p.getId() == id).findFirst();

return product.map(p -> p.getPrice()).orElse(defaultPrice);