使用 stream 从 List 对象中获取某列数据

List<Student> list = new ArrayList<>();
list.add(new Student(1L, "张三", 1));
list.add(new Student(2L, "李四", 2));
list.add(new Student(3L, "王五", 3));
System.out.println(list);
List<String> collect = list.stream().map(Student::getName).collect(Collectors.toList());
System.out.println(collect);

[Student(id=1, name=张三, gender=1), Student(id=2, name=李四, gender=2), Student(id=3, name=王五, gender=3)]
[张三, 李四, 王五]