Lambda intermediate operation limit

limit

​ You can set the maximum length of the stream , The excess will be discarded .

for example ：

​ The elements in the convection are sorted in descending order by age , And there must be no duplicate elements , Then print the names of the two oldest Writers .

        List<Author> authors = getAuthors();
        authors.stream()
                .distinct()
                .sorted()
                .limit(2)
                .forEach(author -> System.out.println(author.getName()));