Lambda termination operation find and match anymatch

anyMatch

​ It can be used to judge whether there are any matching elements , The result is boolean type .

Example ：

​ Judge whether there is an age in 29 The above Writers

//         Judge whether there is an age in 29 The above Writers 
        List<Author> authors = getAuthors();
        boolean flag = authors.stream()
                .anyMatch(author -> author.getAge() > 29);
        System.out.println(flag);