年度博客排行
-
第1名
龙儿筝 -
第2名
宏天软件 -
第3名
青否云后端云 - wallimn
- vipbooks
- gashero
- wy_19921005
- benladeng5225
- fantaxy025025
- e_e
- javashop
- sam123456gz
- zysnba
- tanling8334
- arpenker
- kaizi1992
- xpenxpen
- lemonhandsome
- xiangjie88
- ganxueyun
- xyuma
- wangchen.ily
- Xeden
- jh108020
- johnsmith9th
- zhanjia
- zxq_2017
- jbosscn
- forestqqqq
- ajinn
- daizj
- wjianwei666
- ranbuijj
- 喧嚣求静
- sichunli_030
- kingwell.leng
- silverend
- lchb139128
- kristy_yy
- lich0079
- jveqi
- lzyfn123
- java-007
- sunj
- yeluowuhen
- lerf
- xiaoxinye
- flashsing123
- lxguy
- zhangjijun
最新文章列表
Item 52: Refer to objects by their interfaces
1. If appropriate interface types exist, then parameters, return values, variables, and fields should all be declared using interface types. The only time you really need to refer to an object’s cla ...
设计:Spring动态注入implementation 、业务处理过程抽象
场景:
接口或抽象类,有多个实现/子类。使用Spring,&Autoinjected关联的是接口/抽象类,怎么让spring可以在运行时动态注入具体的实现那?
参考:
How to use @Autowired to dynamically inject implementation like a factory pattern
http://stackoverflow.com/quest ...
Codeforces Round #117 (Div. 2)
A : Battlefield
悲剧 看了很长时间的题目T__T, 不会做
结果证明当时的决定也是正确的,全场最难的题
官网上的思路
Battlefield geometry, implementation, shortest paths
B : Vasya's Calendar
水题 发现的晚点
差值求和即可
D : Co ...