Java 后端开发最全面试攻略(程序员求职必看)
作为一个 Java 程序员,你平时总是陷在业务开发里,每天噼里啪啦忙敲着代码,上到系统开发,下到 Bug 修改,你感觉自己无所不能。然而偶尔的一次聚会,你听说和自己一起出道的同学早已经年薪 50 万,而自己却囊中羞涩。于是你也想看看新机会,找个新平台,好好发展。但是面试的时候,当那个笑眯眯的面试官问出那些你再熟悉不过的 Java 问题时,你只是感觉似曾相识,却怎么也回答不到点上。比如 HashMap 的工作原理,再或者 volatile 的使用场景。这个时候,你可能会怀疑自己的能力,也痛恨为什么当初自己没有好好复习。
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架构师必备技能:(阿里面试必问)
Ps:由于篇幅限制,笔记无法全部为大家展示出来,就以截图主要内容的形式让大家参考啦,需要完整版的小伙伴可以点击这里即可获取到文章中的文档,资料!
![](https://static001.geekbang.org/infoq/df/df5c6e101644bbe283c0cb03a3d0e28e.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
JavaOOP
![](https://static001.geekbang.org/infoq/cf/cfb16b0e08576574f935d9649c5f8bc6.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
Java 集合/泛型
![](https://static001.geekbang.org/infoq/05/05f6a1685d590016146e606143dab1f9.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
Java 异常
![](https://static001.geekbang.org/infoq/64/64aaf2edd53692135b4d9d6050fb03a5.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
Java 中的 IO 与 NIO
![](https://static001.geekbang.org/infoq/1b/1b6918e7faf2e476cd3075a4c13043cd.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
Java 反射
![](https://static001.geekbang.org/infoq/9e/9e99f6403dd26b9b881318d2d1dcbb4a.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
Java 序列化
![](https://static001.geekbang.org/infoq/b4/b41a5279ded3a1a70b1dff587e4465f5.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
多线程 &并发 JAVA 并发知识库
![](https://static001.geekbang.org/infoq/42/42b1a0708aefba13dbcb2d81eb456306.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
JVM
![](https://static001.geekbang.org/infoq/4b/4be53f2f1949a8db17c194cfadae6d13.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
Mysql
![](https://static001.geekbang.org/infoq/cb/cb11e42fc49e41cd6e0e1d41284f0ef8.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
Redis
![](https://static001.geekbang.org/infoq/3f/3f4155af779e7c86c0a20cc70474800d.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
Memcached
![](https://static001.geekbang.org/infoq/8a/8a8780b6dd0a78343a786162cb5c5dd1.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
MongoDB
![](https://static001.geekbang.org/infoq/d6/d6e43e0cf273893a6a5942352b261db5.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
Spring
![](https://static001.geekbang.org/infoq/18/183ee9b6176cada41e3681bd434b048f.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
Spring Boot
![](https://static001.geekbang.org/infoq/1a/1a96b531c56b68f83d65ef9e9cda5a9c.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
Spring Cloud
![](https://static001.geekbang.org/infoq/45/45266bd3591e07ee59e1d36a6f59f91a.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
RabbitMQ
![](https://static001.geekbang.org/infoq/eb/ebd0061adea65c3907e728e892eb9a4c.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
Dubbo
![](https://static001.geekbang.org/infoq/8a/8a8da301184b37069609e793992963c5.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
MyBatis
![](https://static001.geekbang.org/infoq/78/78d5cd3f91f638e07d8011e61a30afc9.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
ZooKeeper
![](https://static001.geekbang.org/infoq/14/14d7e35b3cf2a3eac3389a8f96aad330.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
数据结构
![](https://static001.geekbang.org/infoq/67/67230d121e25d67804ddcae6efa06c14.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
Elasticsearch
![](https://static001.geekbang.org/infoq/67/67230d121e25d67804ddcae6efa06c14.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
Kafka
![](https://static001.geekbang.org/infoq/3d/3d3c390d7a65826a7e275232c98858d8.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
微服务
![](https://static001.geekbang.org/infoq/69/69432b0c9932ed7a6cd27b9192f502ff.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
Linux
![](https://static001.geekbang.org/infoq/9b/9b88dffd54e7c2dc263ec5cd21a5ee2d.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
多线程 &并发面试题:
JAVA 并发知识库:
![](https://static001.geekbang.org/infoq/25/25e3ca707bbf9edc7aacd51af87222c3.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
![](https://static001.geekbang.org/infoq/cd/cd0d6fa6c5ce2f8f66557182be9a5a73.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
JVM 面试
![](https://static001.geekbang.org/infoq/88/888b3cf9474eb1c6f76a0d4787e6e142.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
Java 中的 IO 与 NIO 面试题:
![](https://static001.geekbang.org/infoq/b9/b9975d0689e63c9ec82917e346509483.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
Mysql 面试题:
![](https://static001.geekbang.org/infoq/8c/8c6a747b507a32efe922b4d9cbdf9151.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
Redis 面试题:
![](https://static001.geekbang.org/infoq/9d/9d87606004a5363c8a6c294d8a81de84.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
MongoDB 面试题:
![](https://static001.geekbang.org/infoq/f3/f3421a0b09abef9754588aed8738474e.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
MyBatis 面试题:
![](https://static001.geekbang.org/infoq/08/080869d3016f174f4bd9454d7114c9f2.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
Spring 面试题:
![](https://static001.geekbang.org/infoq/21/211e3715e3c646d79166ad2f9d0f1e77.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
Spring Boot 面试题:
![](https://static001.geekbang.org/infoq/2f/2f23e2d9720a770002ec8cadd4795de9.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
Spring Cloud 面试题:
![](https://static001.geekbang.org/infoq/bf/bf35d1a01f634f8a9ff7e5b323be60a6.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
数据结构面试题:
![](https://static001.geekbang.org/infoq/da/dade8b6bcdf6eb7b143c868fa45764a4.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
算法面试题
![](https://static001.geekbang.org/infoq/4c/4c79828802809eae4a4fbbd018b41139.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
Kafka 面试题:
![](https://static001.geekbang.org/infoq/82/82b3b00324d5752f50c3ca6250d826aa.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
微服务 面试题:
![](https://static001.geekbang.org/infoq/db/dbf71478ddfa11d6acd4e4d36a093308.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
Elasticsearch 面试题
![](https://static001.geekbang.org/infoq/0e/0eda463ffdde17252ff9a52f61e7113c.jpeg?x-oss-process=image%2Fresize%2Cp_80%2Fauto-orient%2C1)
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