后台开发常问面试题集锦（问题搬运工，附链接）

素颜马尾好姑娘i 2022-06-05 05:21 166阅读 0赞

### **Java基础问题** ###

[String的’+’的性能及原理][String]

[java之yield(),sleep(),wait()区别详解-备忘笔记][java_yield_sleep_wait_-]

[深入理解Java Stream流水线][Java Stream]

[抽象 & abstract关键字][_ abstract]

[Java final 修饰符知识点总结(必看篇)][Java final]

[Java中的static关键字解析][Java_static]

[Java 回调机制解读][Java]

[Java抽象类与oop三大特征][Java_oop]

[Java时间和时间戳的相互转换][Java 1]

[Java为什么要使用内部类？][Java 2]

[Synchronized（对象锁）和Static Synchronized（类锁）的区别][Synchronized_Static Synchronized]

[select，poll，epoll优缺点及比较][select_poll_epoll]

[java提高篇(八)—-详解内部类][java_-]

[单例模式和双重检查锁定][Link 1]

[java中实现多态的机制是什么?][java]

[java提高篇(四)—–理解java的三大特性之多态][java_java]

[java类静态域、块，非静态域、块，构造函数的初始化顺序][java 1]

[Java 中的 String 为什么是不可变的？][Java _ String]

[Java的string类为什么是不可变的][Java_string]

[Java泛型深入理解][Java 3]

[静态内部类和非静态内部类的区别][Link 2]

[十分钟理解Java中的弱引用][Java 4]

--------------------

### **底层原理（JVM、JMM、Java源码、并发等）** ###

[JVM如何操作缓冲区][JVM]

[成为Java GC专家（3）—如何优化Java垃圾回收机制][Java GC_3_Java]

[JVM性能调优（重要）][JVM 1]

[Java8系列之重新认识HashMap][Java8_HashMap]

[解读克隆][Link 3]

[如何正确遍历删除List中的元素，你会吗？][List]

[keySet和entrySet效率比较][keySet_entrySet]

[Thread的run（）与start（）的区别][Thread_run_start]

[JAVA并发编程学习笔记之ReentrantLock][JAVA_ReentrantLock]

[百度笔试题：malloc/free与new/delete的区别][malloc_free_new_delete]

[JAVA集合框架中的常用集合及其特点、适用场景、实现原理简介][JAVA]

[JAVA并发编程学习笔记之ReentrantLock][JAVA_ReentrantLock]

[详解Java中LinkedHashMap][Java_LinkedHashMap]

[请求Servlet流程以及Servlet生命周期][Servlet_Servlet]

[java finalize方法总结、GC执行finalize的过程][java finalize_GC_finalize]

[JVM系列三:JVM参数设置、分析][JVM_JVM]

[Java泛型总结][Java 5]

[Java并发之CountDownLatch、CyclicBarrier和Semaphore][Java_CountDownLatch_CyclicBarrier_Semaphore]

[使用LinkedHashMap构建LRU的Cache][LinkedHashMap_LRU_Cache]

[谈谈ConcurrentHashMap1.7和1.8的不同实现][ConcurrentHashMap1.7_1.8]

[HashMap底层实现原理/HashMap与HashTable区别/HashMap与HashSet区别][HashMap_HashMap_HashTable_HashMap_HashSet]

[Java 四种线程池][Java 6]

[JDK与设计模式：命令模式][JDK]

[细数JDK里的设计模式][JDK 1]

[java多线程(二)——用到的设计模式][java 2]

[Java并发核心基础——线程池使用及底层实现机制详解][Java 7]

[单例模式的优缺点和使用场景][Link 4]

[Java 8 中的ConcurrentHashMap源码分析][Java 8 _ConcurrentHashMap]

[线程池][Link 5]

--------------------

### **框架类问题（Spring、SpringMVC、Mybatis等）** ###

[Spring AOP的实现原理][Spring AOP]

[git干货系列：（三）我提交错了我想撤销或者回退版本][git]

[Java Web应用中支持跨域请求][Java Web]

[69道Spring面试题和答案][69_Spring]

[深入理解 Spring 事务原理][Spring]

[Spring事务管理（详解+实例）][Spring 1]

[MyBatis动态SQL底层原理分析][MyBatis_SQL]

[简述Spring容器与SpringMVC的容器的联系与区别][Spring_SpringMVC]

[Spring AOP 实现原理][Spring AOP 1]

[jsp 九大内置对象和其作用详解][jsp]

[浅谈 SOAP][SOAP]

[Maven如何解决包冲突问题][Maven]

[maven中如何将所有引用的jar包打包到一个jar中][maven_jar_jar]

[MyBatis 拦截器原理探究][MyBatis]

[Tomcat负载均衡原理详解及配置][Tomcat]

[SpringMVC一个Controller处理所有用户请求的并发问题][SpringMVC_Controller]

--------------------

### **算法问题** ###

[AVL树、红黑树、B/B+树和Trie树的比较][AVL_B_B_Trie]

[Bloom Filter概念和原理][Bloom Filter]

[双向链表的插入及删除图解][Link 6]

[搜索算法集锦][Link 7]

[关于B树的一些总结][B]

[Redis中5种数据结构的使用场景介绍][Redis_5]

[字典树(Trie树)实现与应用][Trie]

[实现一个 能在O(1)时间复杂度 完成 Push、Pop、Min操作的栈][_O_1_ _ Push_Pop_Min]

[常见的安全算法][Link 8]

[面试题：支持O(1)时间内完成pop,push和max的栈][O_1_pop_push_max]

[教你如何迅速秒杀掉：99%的海量数据处理面试题][99]

[单例模式应用场景][Link 9]

[每天进步一点点——五分钟理解一致性哈希算法(consistent hashing)][consistent hashing]

[为什么说B+-tree比B 树更适合实际应用中操作系统的文件索引和数据库索引？][B_-tree_B]

[B+树][B 1]

--------------------

### **基础课程（数据库、计算机网络、计算机组成原理、操作系统等）** ###

[高并发访问数据库优化方法][Link 10]

[简单理解Socket及TCP/IP、Http、Socket的区别][Socket_TCP_IP_Http_Socket]

[虚拟内存机制][Link 11]

[几种网络I/O模型][I_O]

[从输入url到显示网页，后台发生了什么？][url]

[网页打开时都发生了什么？我被吓着了][Link 12]

[线程返回值的方式介绍][Link 13]

[SSL交互和握手过程][SSL]

[SQL学习笔记——之SQL优化经验总结34条][SQL_SQL_34]

[HTTP长连接和短连接][HTTP]

[进程？线程？到底共享了什么私有了什么][Link 14]

[MySQL 慢查询日志(Slow Query Log)][MySQL _Slow Query Log]

[TCP/IP详解–TIME\_WAIT状态存在的原因][TCP_IP_TIME_WAIT]

[操作系统：内存管理（概念）][Link 15]

[从关系型数据库到非关系型数据库][Link 16]

[drop、truncate和delete的区别][drop_truncate_delete]

[线程的几种状态转换][Link 17]

[MySQL的进阶实战篇][MySQL]

[关于 MySQL 你可能不知道的 SQL 使用技巧][MySQL _ SQL]

[MySQL优化必须调整的10项配置][MySQL_10]

[浏览器缓存机制剖析][Link 18]

[MySQL数据的主从复制、半同步复制和主主复制详解-转][MySQL_-]

[8 种 NoSQL 数据库系统对比][8 _ NoSQL]

[mysql 主从复制原理][mysql]

[Java里如何实现线程间通信？][Java 8]

[理解多线程设计模式][Link 19]

--------------------

### **其他** ###

[getAttribute与getParame的区别][getAttribute_getParame]

[大型网站架构之分布式消息队列][Link 20]

[消息队列的两种模式][Link 21]

[初窥Linux 之 我最常用的20条命令][Linux _ _20]

[常见性能优化策略总结][Link 22]

[缓存、缓存算法和缓存框架简介][Link 23]

[如何设计一个秒杀系统][Link 24]

[Redis初级介绍][Redis]

[大型网站系统架构的演化][Link 25]

[浅谈负载均衡技术与分类][Link 26]

[一分钟了解负载均衡的一切][Link 27]

[保证分布式系统数据一致性的6种方案][6]

**欢迎大家关注我的个人公众号**

![这里写图片描述][SouthEast]

**欢迎加入QQ学习交流群（内有干货）：**

![这里写图片描述][SouthEast 1]

[String]: http://blog.csdn.net/zengshunyao/article/details/40023577
[java_yield_sleep_wait_-]: http://dylanxu.iteye.com/blog/1322066
[Java Stream]: http://www.importnew.com/24235.html
[_ abstract]: http://www.cnblogs.com/chendifan/p/6535590.html
[Java final]: http://www.jb51.net/article/93064.htm
[Java_static]: http://www.cnblogs.com/starhu/p/5150241.html
[Java]: https://mp.weixin.qq.com/s/EGoKe-mIRTNDsSeLGzzUaA
[Java_oop]: http://mp.weixin.qq.com/s/VQFrCU_etJE6dyyQf6yUmQ
[Java 1]: http://www.cnblogs.com/mstk/p/5511057.html
[Java 2]: http://blog.csdn.net/yu422560654/article/details/7466260
[Synchronized_Static Synchronized]: http://blog.csdn.net/cs408/article/details/48930803
[select_poll_epoll]: http://blog.csdn.net/lixungogogo/article/details/52226501
[java_-]: http://www.cnblogs.com/chenssy/p/3388487.html
[Link 1]: http://jjhpeopl.iteye.com/blog/2331054
[java]: http://www.cnblogs.com/TalkWithWorld/p/5641169.html
[java_java]: http://www.cnblogs.com/chenssy/p/3372798.html
[java 1]: http://www.tuicool.com/articles/mMN3Iz
[Java _ String]: http://www.codeceo.com/article/why-java-string-immutable.html
[Java_string]: http://www.jb51.net/article/49092.htm
[Java 3]: http://blog.csdn.net/sunxianghuang/article/details/51982979
[Link 2]: http://blog.csdn.net/fgakjfd/article/details/5282646
[Java 4]: http://mp.weixin.qq.com/s?__biz=MzIzMjE1Njg4Mw==&mid=502634028&idx=1&sn=29890f04d6d27764a4dc7698ce0ccdce#rd
[JVM]: http://www.importnew.com/24231.html
[Java GC_3_Java]: http://www.cnblogs.com/wozixiaoyao/p/5658960.html
[JVM 1]: http://uule.iteye.com/blog/2114697
[Java8_HashMap]: http://www.importnew.com/20386.html
[Link 3]: http://www.cnblogs.com/shishm/archive/2011/10/10/2205743.html
[List]: http://elim.iteye.com/blog/1523785
[keySet_entrySet]: https://my.oschina.net/mfkwfc/blog/60441
[Thread_run_start]: http://blog.csdn.net/xuxurui007/article/details/7685076
[JAVA_ReentrantLock]: http://blog.csdn.net/aesop_wubo/article/details/7574379
[malloc_free_new_delete]: http://blog.csdn.net/hackbuteer1/article/details/6789164
[JAVA]: http://www.jianshu.com/p/b54f1df33f84#
[Java_LinkedHashMap]: http://www.jb51.net/article/112721.htm
[Servlet_Servlet]: http://www.cnblogs.com/zhangygl/p/4298113.html
[java finalize_GC_finalize]: http://blog.csdn.net/pi9nc/article/details/12374049
[JVM_JVM]: http://www.cnblogs.com/redcreen/archive/2011/05/04/2037057.html
[Java 5]: https://my.oschina.net/polly/blog/877647
[Java_CountDownLatch_CyclicBarrier_Semaphore]: http://developer.51cto.com/art/201403/432095.htm
[LinkedHashMap_LRU_Cache]: http://tomyz0223.iteye.com/blog/1035686
[ConcurrentHashMap1.7_1.8]: http://www.importnew.com/23610.html
[HashMap_HashMap_HashTable_HashMap_HashSet]: http://www.cnblogs.com/beatIteWeNerverGiveUp/p/5709841.html
[Java 6]: http://www.cnblogs.com/zhujiabin/p/5404771.html
[JDK]: http://blog.csdn.net/luckydog1991/article/details/51718663
[JDK 1]: http://blog.jobbole.com/62314/
[java 2]: http://www.cnblogs.com/ChaosJu/p/4531795.html
[Java 7]: http://blog.csdn.net/zhangliangzi/article/details/52389766
[Link 4]: http://www.cnblogs.com/damsoft/p/6105122.html
[Java 8 _ConcurrentHashMap]: http://blog.csdn.net/do_smile/article/details/46911727
[Link 5]: http://blog.csdn.net/xiaoyi52/article/details/68931308
[Spring AOP]: http://www.importnew.com/24305.html
[git]: http://www.tuicool.com/articles/6JjyArv
[Java Web]: http://blog.csdn.net/lmy86263/article/details/51724221
[69_Spring]: http://ifeve.com/spring-interview-questions-and-answers/
[Spring]: http://www.codeceo.com/article/spring-transactions.html
[Spring 1]: http://www.mamicode.com/info-detail-1248286.html
[MyBatis_SQL]: http://www.importnew.com/24160.html
[Spring_SpringMVC]: http://blog.csdn.net/justloveyou_/article/details/74295728
[Spring AOP 1]: http://blog.csdn.net/moreevan/article/details/11977115/
[jsp]: http://www.cnblogs.com/leirenyuan/p/6016063.html
[SOAP]: https://www.ibm.com/developerworks/cn/xml/x-sisoap/
[Maven]: http://www.cnblogs.com/songshu120/p/6164114.html
[maven_jar_jar]: http://blog.csdn.net/xpsharp/article/details/47156197
[MyBatis]: http://mp.weixin.qq.com/s/nFdjgTrVrI0q90fZFUxm2w
[Tomcat]: http://blog.csdn.net/wguoyong/article/details/51009572
[SpringMVC_Controller]: http://2277259257.iteye.com/blog/2300298
[AVL_B_B_Trie]: http://blog.csdn.net/semiscone/article/details/52775382
[Bloom Filter]: http://blog.csdn.net/jiaomeng/article/details/1495500
[Link 6]: http://blog.csdn.net/u013271921/article/details/45540749
[Link 7]: http://blog.csdn.net/llingy/article/details/5674250
[B]: http://www.cnblogs.com/tgycoder/p/5077017.html
[Redis_5]: http://www.jb51.net/article/54774.htm
[Trie]: http://www.cnblogs.com/xujian2014/p/5614724.html
[_O_1_ _ Push_Pop_Min]: http://www.cnblogs.com/hapjin/p/5783536.html
[Link 8]: http://blog.csdn.net/forezp/article/details/67632323
[O_1_pop_push_max]: http://blog.csdn.net/alburthoffman/article/details/18803357
[99]: http://blog.csdn.net/v_july_v/article/details/7382693
[Link 9]: http://www.cnblogs.com/BrainDeveloper/p/3192417.html
[consistent hashing]: http://blog.csdn.net/cywosp/article/details/23397179/
[B_-tree_B]: http://www.cnblogs.com/youngerchina/p/5624460.html
[B 1]: http://www.cnblogs.com/ccsccs/articles/4243644.html
[Link 10]: http://blog.csdn.net/u011225629/article/details/47393169
[Socket_TCP_IP_Http_Socket]: http://blog.csdn.net/jenminzhang/article/details/47017741
[Link 11]: http://www.cnblogs.com/shijingjing07/p/5611579.html
[I_O]: http://www.cnblogs.com/yep3575/p/3491039.html
[url]: http://www.cnblogs.com/rollenholt/archive/2012/03/23/2414345.html
[Link 12]: http://news.mydrivers.com/1/372/372665.htm
[Link 13]: http://smalltalllong.iteye.com/blog/1156407
[SSL]: http://www.cnblogs.com/zimmer/p/4343632.html
[SQL_SQL_34]: http://www.jianshu.com/p/5ad4a88e58d4#
[HTTP]: http://www.cnblogs.com/0201zcr/p/4694945.html
[Link 14]: http://blog.csdn.net/wangqyoho/article/details/52598859
[MySQL _Slow Query Log]: http://blog.csdn.net/leshami/article/details/39829605
[TCP_IP_TIME_WAIT]: http://blog.csdn.net/yusiguyuan/article/details/38984759
[Link 15]: http://blog.csdn.net/omenglishuixiang1234/article/details/51536771
[Link 16]: http://blog.csdn.net/robinjwong/article/details/18502195/
[drop_truncate_delete]: http://blog.csdn.net/ws0513/article/details/49980547
[Link 17]: http://blog.csdn.net/sinat_36042530/article/details/52565296
[MySQL]: http://blog.csdn.net/javazejian/article/details/69857949
[MySQL _ SQL]: https://zhuanlan.zhihu.com/p/25064592
[MySQL_10]: http://www.jb51.net/article/47419.htm
[Link 18]: http://web.jobbole.com/91084/
[MySQL_-]: http://www.cnblogs.com/future2012lg/p/4873805.html
[8 _ NoSQL]: http://blog.jobbole.com/1344/
[mysql]: http://www.cnblogs.com/Aiapple/p/5792939.html
[Java 8]: http://wingjay.com/2017/04/09/Java%E9%87%8C%E5%A6%82%E4%BD%95%E5%AE%9E%E7%8E%B0%E7%BA%BF%E7%A8%8B%E9%97%B4%E9%80%9A%E4%BF%A1%EF%BC%9F/
[Link 19]: http://sunnylocus.iteye.com/blog/805855
[getAttribute_getParame]: http://blog.csdn.net/h378588270/article/details/12912611
[Link 20]: http://blog.csdn.net/shaobingj126/article/details/50585035
[Link 21]: http://blog.csdn.net/heyutao007/article/details/50131089
[Linux _ _20]: http://blog.csdn.net/ljianhui/article/details/11100625/
[Link 22]: http://www.codeceo.com/article/common-performance-optimization-strategies.html
[Link 23]: http://blog.jobbole.com/30940/
[Link 24]: http://www.importnew.com/24185.html
[Redis]: http://www.importnew.com/24107.html
[Link 25]: http://www.cnblogs.com/leefreeman/p/3993449.html
[Link 26]: http://lusongsong.com/reed/158.html
[Link 27]: http://www.oschina.net/news/77156/load-balance
[6]: http://www.tuicool.com/articles/QFFjEr2
[SouthEast]: /images/20220605/7c229f60d9cf4dbc9d54ca5280df0f1c.png
[SouthEast 1]: /images/20220605/190480ebbecf4ad3af26b34e2fff0534.png