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60 changes: 58 additions & 2 deletions docs/interview-experience/面试常见问题分类汇总.md
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# Java基础

#### 动态代理

- https://segmentfault.com/a/1190000011291179

#### 红黑树

- https://zhuanlan.zhihu.com/p/31805309

#### hashmap的jdk1.7和jdk1.8区别

- https://juejin.im/post/5aa5d8d26fb9a028d2079264
Expand Down Expand Up @@ -30,8 +38,11 @@ https://www.cnblogs.com/yangyangxxb/p/10218871.html

#### JVM tomcat 容器启动,jvm 加载情况描述

- tomcat请求流程:http://objcoding.com/2017/06/12/Tomcat-structure-and-processing-request-process/

其实就是jvm的类加载情况,非常相似
https://blog.csdn.net/lduzhenlin/article/details/83013143
- https://blog.csdn.net/lduzhenlin/article/details/83013143
- https://blog.csdn.net/xlgen157387/article/details/53521928

#### 当获取第一个获取锁之后,条件不满足需要释放锁应当怎么做?

Expand Down Expand Up @@ -300,8 +311,15 @@ https://segmentfault.com/a/1190000013504078?utm_source=tag-newest

#### 静态变量和全局变量的区别


### Java多线程

#### AOS等并发相关面试题

- https://cloud.tencent.com/developer/article/1471770
- https://zhuanlan.zhihu.com/p/96544118
- https://zhuanlan.zhihu.com/p/48295486

#### threadlocal
https://juejin.im/post/5ac2eb52518825555e5e06ee

Expand Down Expand Up @@ -346,7 +364,9 @@ https://juejin.im/post/5b06bf2df265da0de2574ee1
#### Spring 的加载流程,Spring 的源码中 Bean 的构造的流程

spring ioc系列文章:http://cmsblogs.com/?p=2806
加载流程(概述):https://www.jianshu.com/p/5fd1922ccab1
- 加载流程(概述):https://www.jianshu.com/p/5fd1922ccab1
- 循环依赖问题:https://blog.csdn.net/u010853261/article/details/77940767


#### Spring 事务源码,IOC 源码,AOP 源码

Expand Down Expand Up @@ -546,6 +566,26 @@ https://www.ruanyifeng.com/blog/2011/09/restful.html

### 数据库

#### explain解释

- https://segmentfault.com/a/1190000010293791

#### mysql分页查询优化

- https://blog.csdn.net/hanchao5272/article/details/102790490

#### sql注入

- https://blog.csdn.net/github_36032947/article/details/78442189

#### 为什么用B+树

- https://blog.csdn.net/xlgen157387/article/details/79450295

#### sql执行流程

- https://juejin.im/post/5b7036de6fb9a009c40997eb

#### 聚集索引与非聚集索引

- https://juejin.im/post/5cdd701ee51d453a36384939
Expand Down Expand Up @@ -666,6 +706,10 @@ https://cloud.tencent.com/developer/article/1195037

https://zhuanlan.zhihu.com/p/36811672

#### IO多路复用

- https://sanyuesha.com/python-server-tutorial/book/ch05.html

#### select 和 poll 区别?

好文:https://www.jianshu.com/p/dfd940e7fca2
Expand Down Expand Up @@ -696,6 +740,10 @@ https://zhuanlan.zhihu.com/p/54593244

### linux

#### 项目部署常见linux命令

- https://blog.csdn.net/u010938610/article/details/79625988

- 进程文件里有哪些信息

#### sed 和 awk 的区别
Expand All @@ -709,6 +757,8 @@ https://zhuanlan.zhihu.com/p/54593244

https://blog.csdn.net/qingmu0803/article/details/38271077



#### 有一个文件被锁住,如何查看锁住它的线程?
#### 如何查看一个文件第100行到150行的内容

Expand All @@ -734,6 +784,12 @@ https://juejin.im/post/5b624f4d518825068302aee9#heading-13
- http://www.ruanyifeng.com/blog/2011/08/what_is_a_digital_signature.html
- https://yq.aliyun.com/articles/54155

### 分布式

#### dubbo中的dubbo协议和http协议有什么区别?

- https://blog.csdn.net/wjw_77/article/details/99696757

### 项目及规划

1. 对你来说影响最大的一个项目(该面试中有关项目问题都针对该项目展开)?
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19 changes: 15 additions & 4 deletions docs/interview/已投公司情况.md
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|公司|官网链接|牛客链接|投递情况|
|-----|-----|-----|-----|
|美团| https://campus.meituan.com/resume-edit | | 已投 |
|快手| | https://www.nowcoder.com/discuss/369768?type=0&order=0&pos=18&page=2 来自内推军 | 已投 |
|蘑菇街|http://job.mogujie.com/#/candidate/perfectInfo | | 已投 |
|快手| | https://www.nowcoder.com/discuss/369768?type=0&order=0&pos=18&page=2 来自内推军 | 一面 |
|蘑菇街|http://job.mogujie.com/#/candidate/perfectInfo | | 二面 |
|虎牙| | | 已投 |
|远景|https://campus.envisioncn.com/ | | 已投 |
|阿里钉钉| |https://www.nowcoder.com/discuss/368915?type=0&order=0&pos=25&page=3| |
|阿里新零售| |https://www.nowcoder.com/discuss/374171?type=0&order=0&pos=35&page=1| |
|阿里新零售| |https://www.nowcoder.com/discuss/374171?type=0&order=0&pos=35&page=1 https://www.nowcoder.com/discuss/372118?type=0&order=0&pos=80&page=2| |
|深信服| |https://www.nowcoder.com/discuss/369399?type=0&order=0&pos=40&page=6| |
|CVTE| |https://www.nowcoder.com/discuss/368463?type=0&order=0&pos=87&page=3| 已投 |
|奇安信| |https://www.nowcoder.com/discuss/365961?type=0&order=0&pos=102&page=6| 已投 |
|携程| |https://www.nowcoder.com/discuss/374606?type=0&order=0&pos=45&page=2|已投|
|携程| |https://www.nowcoder.com/discuss/374606?type=0&order=0&pos=45&page=2|已投|
|小米| | https://www.nowcoder.com/discuss/375898?type=0&order=0&pos=12&page=5 | |
|拼多多| | https://www.nowcoder.com/discuss/373657?type=0&order=0&pos=37&page=7 | |
|腾讯| |https://www.nowcoder.com/discuss/376164?type=0&order=0&pos=41&page=2| |
|猿辅导| https://app.mokahr.com/m/candidate/applications/deliver-query/fenbi |https://www.nowcoder.com/discuss/375610?type=0&order=0&pos=95&page=2| 已投 |
|斗鱼| https://app.mokahr.com/m/candidate/applications/deliver-query/douyu |https://www.nowcoder.com/discuss/375180?type=0&order=0&pos=158&page=1| 已投 |
|淘宝技术部| |https://www.nowcoder.com/discuss/374655?type=0&order=0&pos=165&page=6| |
|字节跳动| |https://www.nowcoder.com/discuss/370656?type=0&order=0&pos=241&page=3| |
|陌陌| | 来自内推军 |已投|
|网易| |https://www.nowcoder.com/discuss/373132?type=post&order=create&pos=&page=1| |
|百度| |https://www.nowcoder.com/discuss/376515?type=post&order=time&pos=&page=1| |
14 changes: 13 additions & 1 deletion docs/interview/自我介绍和项目介绍.md
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2、利用redis提供缓存服务
3、利用RocketMQ消息队列做消息处理
4、对数据库性能进行调优
5、开发抢购活动功能模块(业务需求)
5、开发抢购活动功能模块(业务需求)

### 北京项目介绍

这个项目的背景是,现在深空探索的研究越来越热,这个项目就是研究及开发脉冲星导航的相关问题,而脉冲星导航的能够解决深空探索航天器的位置问题,这个就是北京项目的研究目标。

脉冲星是一颗稳定的中子星,能够发出稳定的脉冲波,通过接收脉冲星发出来的脉冲波,可以确定航天器在太空中的位置。

而我在北京的工作是:
1、开发一个软件
2、实现相关算法对航天器上的部件精度进行控制
3、航天器相关的数据进行数据显示
4、近地卫星轨道5星编队仿真实现

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