Java工程师面试的相关内容

2021-Java后端工程师面试指南-(Elasticsearch）（下）

聊聊es的写入流程Elasticsearch采用多Shard方式，通过配置routing规则将数据分成多个数据子集，每个数据子集提供独立的索引和搜索功能。当写入文档的时候，根据routing规则，将文档发送给特定Shard中建立索引。这样就能实现分布式了。每个Index由多个Shard组成(默认是5...

2021-Java后端工程师面试指南-(Elasticsearch）（上）

Tips面试指南系列，很多情况下不会去深挖细节，是小六六以被面试者的角色去回顾知识的一种方式，所以我默认大部分的东西，作为面试官的你，肯定是懂的。www.processon.com/view/link/6…上面的是脑图地址叨絮今天来看看Elasticsearch 然后下面是前面的文章汇总2021-J...

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2021-Java后端工程师面试指南-(Redis）（下）

说说Redis的淘汰策略noeviction：当内存不足以容纳新写入数据时，新写入操作会报错。allkeys-lru：当内存不足以容纳新写入数据时，在键空间中，移除最近最少使用的key。allkeys-random：当内存不足以容纳新写入数据时，在键空间中，随机移除某个key。vola...

2021-Java后端工程师面试指南-(Redis）（上）

Tips面试指南系列，很多情况下不会去深挖细节，是小六六以被面试者的角色去回顾知识的一种方式，所以我默认大部分的东西，作为面试官的你，肯定是懂的。www.processon.com/view/link/6…上面的是脑图地址叨絮这个系列也写了几篇了，今天我们来看看redis,前面的可以去github上...

2021-Java后端工程师面试指南-(MySQL）｜牛气冲天新年征文

Tips面试指南系列，很多情况下不会去深挖细节，是小六六以被面试者的角色去回顾知识的一种方式，所以我默认大部分的东西，作为面试官的你，肯定是懂的。www.processon.com/view/link/6…上面的是脑图地址叨絮可能大家觉得有点老生常谈了，确实也是。面试题，面试宝典，随便...

2021-Java后端工程师面试指南-(并发-多线程）（下）

我们的ReentrantLock的核心是AQS，那么它怎么来实现的，继承吗? 说说其类内部结构关系，聊聊它的上锁过程。这个可能很多人不是很明白，但是我是站在被面试官问的角色，所以很多前置知识我默认你懂，嘿嘿，建议大家去看我这篇AQS首先要阐述几个概念，AQS全称是AbstractQue...

2021-Java后端工程师面试指南-(并发-多线程）（上）

2021-Java后端工程师面试指南-(Java基础篇）（下）

来聊聊 ArrayList和LinkedList区别ArrayList是实现了基于动态数组的数据结构，LinkedList基于链表的数据结构。对于随机访问get和set，ArrayList觉得优于LinkedList，因为LinkedList要移动指针。对于新增和删除操作add和remove，Lin...

2021-Java后端工程师面试指南-(Java基础篇）（上）

2021-Java后端工程师面试指南-(引言)

叨絮昨天跟大学同学聊天，然后它是毕业之后呢？就一直在准备考公务员，然后它刚好去年考上了，然后我就跟他聊它的备考过程，然后它也给我说了很多，跟我说他是怎么坚持的，考上之后的情况，待遇啥的。然后我就在想如果我当年不写代码而是去考公务员是不是也能像他一样走向人生巅峰呢？其实不然...

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