public static void main(String[] args) {
	List<Person> persons = List.of(new Person("小明", 88), new Person("小黑", 62), new Person("小白", 45),
	                               new Person("小黄", 78), new Person("小红", 99), new Person("小林", 58));
	// 请使用filter过滤出及格的同学，然后打印名字:
	persons.stream()
		   .filter(s -> s.score >= 60)
		   .forEach(s -> System.out.println(s.name + " " + s.score));
	}