?? ?? User?? ???? ?? ???
? ?? ?? ??? ?????. private int age,private String name
?? ??? ????
?? ????? ???? ????. ?, lisr? ?? ?? ??? user1 user3 user2???.
java8? ?? ???? ???? ??? ?????? 
???? ??? ????? ??? ??? ?? ???? ??? ??? ? ??? ?? ?? ??? ? ??????
???? ?? ??????. ?? Can be replaced with Comparator.comparingInt more... (Ctrl+F1)
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溫故而知新，可以為師矣。 博客：www.ouyangke.com
??? ???? ????. ?? ??? ??? ???? ?? ??????
?????? ??? ? ?? ???? User的age屬性進(jìn)行個(gè)排序，屬性是int就按照int排序，其實(shí)Comparator.comparing(User::getAge)? ???? ???? ??????. ??? ???????. ????? ????... ???? ??? ???.
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Arrays.sort(list, (user1 , user2) -> Integer.compare(v1.age, v2.age));
![[? ?????] Node.js ?? ??](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
