jdk1.8学习

1.排序

    List的Comparator 排序方法

https://www.jianshu.com/p/3f621e51f306

https://my.oschina.net/xinxingegeya/blog/2046405

    使用Collections.sort 依据多个字段排序

https://www.cnblogs.com/hanstrovsky/p/12520142.html

    LinkedHashMap的排序

https://www.jianshu.com/p/a2c5397e9b22

 

2.Object的转换

ObjectMapper.convertValue()

https://blog.youkuaiyun.com/weixin_39778417/article/details/103304940