https://www.cnblogs.com/wangfuyou/p/6707852.html ...
倒序 list.OrderByDescending i gt i.a .ThenByDescending i gt i.b 顺序 list.OrderBy i gt i.a .ThenBy i gt i.b ...
2017-04-14 11:13 0 25744 推荐指数:
https://www.cnblogs.com/wangfuyou/p/6707852.html ...
void Main() { var empList =new List<Employee> { new Employee {ID = 1, FName = "John", Age = 23, Sex = 'M'}, new Employee {ID ...
最近用java抓取数据的时候,遇到了需要对拿到的List集合按照多个字段进行排序。首先得让排序的实体类实现Comparable类并且重写它的compareTo方法,在compareTo中你可以自定义排序的规则。如果前者大于后者,则返回1,若果相等则返回0,若果前者小于后者 ...
刚开始这样 改为 ...
List<ClassEntity> distinctClass = classEntities.stream().collect(Collectors.collectingAndThen(Collectors.toCollection(() -> new TreeSet< ...
List按某个字段排序 github_39325328 方式一: 需要jdk1.8 ...