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Java中关键字void的含义,已拿offer

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# 准备好套路 **①自我介绍:**千万不能筐瓢,一定要牢记,自然流畅地介绍自己的学习经历、工作经历、项目经历、个人优势等等; **②抽象概念:**当面试官问你是如何理解多线程的时候,你要知道从定义、来源、实现、问题、优化、应用方面系统性地回答; **③项目强化:**必须针对简历中的两个以上的项目,形成包括【架构和实现细节】,【正常流程和异常流程的处理】,【难点+坑+复盘优化】三位一体的组合拳; **④压力练习:**面试紧张难免,尤其是面试这种大公司,可能会严重影响发挥,建议多面一些有把握的公司,训练自己的心态,也可以通过平时多找机会参与交流分享,或找人做压力面试来改善; **⑤表达能力:**表达能力在面试中非常重要,表达不好非常容易拉低面试官的印象,面试时应该简练、自然顺畅地将答案告诉面试官; **⑥重点针对:**面试官会针对简历提问,所以请针对简历上写的所有技术点进行重点准备。 # Java基础面试总结 **①JVM原理** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268119355078.jpg) **②集合** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268119982520.jpg) **③多线程** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268120582612.jpg) **④IO** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268120255902.jpg) **⑤问题排查** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268120300926.jpg) # Web框架、数据库 **①Spring** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268120978324.jpg) **②MySQL** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268121460804.jpg) **③Redis** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268121615986.jpg) # 通用基础 **①操作系统** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268121385764.jpg) **②网络通信协议** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268121888929.jpg) **③排序算法** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268121412114.jpg) **④常用设计模式** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268122893505.jpg) **⑤从URL到看到网页的过程** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268122423338.jpg) # 分布式 **①CAP理** **②锁** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268122267794.jpg) **③事务** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268122723653.jpg) **④消息队列** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268122560612.jpg) **⑤协调器** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268123404098.jpg) **⑥ID生成方式** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268123104485.jpg) **⑦一致性hash** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268123946640.jpg) # 微服务 **①微服务介绍** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268123844975.jpg) **②服务发现** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268123836905.jpg) **③API网关** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268124989529.jpg) **④服务容错保护** **⑤服务配置中心** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268124567992.jpg) # 算法(字节必问) **①数组-快速排序-第k大个数** **②数组-对撞指针-最大蓄水** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268124679937.jpg) **③数组-滑动窗口-最小连续子数组** **④数组-归并排序-合并有序数组** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268124191381.jpg) **⑤链表-链表反转-链表相加** **⑥链表-双指针-删除倒数第n个** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268124684329.jpg) **⑦二叉树-递归-二叉树反转** **⑧动态规划-连续子数组最大和** **⑨数据结构-LRU淘汰算法** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268125533454.jpg) # 项目举例 **①秒杀架构** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268125900592.jpg) # 系统设计 **①系统设计-高并发抢红包** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268125781992.jpg) **②系统设计-答题套路** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268125900345.jpg) **③系统设计-在AWS上扩展到数百万用户的系统** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268125629207.jpg) **④系统设计-从面试者角度设计一个系统设计题** ![](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268126853742.jpg) # ### 最后 > **针对以上面试题,小编已经把面试题+答案整理好了,想要获取这份面试题+答案的朋友帮忙点赞后,[戳这里免费领取](https://docs.qq.com/doc/DSmxTbFJ1cmN1R2dB)就可以了** ![最新大厂必问微服务面试题汇总:SpringCloud、Boot、Dubbo](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268126840629.jpg) ![最新大厂必问微服务面试题汇总:SpringCloud、Boot、Dubbo](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268126204229.jpg) ![最新大厂必问微服务面试题汇总:SpringCloud、Boot、Dubbo](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268126425308.jpg) # 面试专题 ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268126387575.jpg) **除了以上面试题+答案,小编同时还整理了微服务相关的实战文档也可以分享给大家学习** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268127532456.jpg) ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268127814264.jpg) ?![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625268128953750.jpg)
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