Java面试经

骑猪看日落 2022-05-27 13:57 205阅读 0赞

最近趁有空整理下面试经常会被问到的知识点，参考的资料都是本人通过百度而挑选出来的，具有一定的参考意义。

**一 、java基础**  
1.String和StringBuffer、StringBuild的区别：[http://blog.csdn.net/rmn190/article/details/1492013][http_blog.csdn.net_rmn190_article_details_1492013]  
2.hashcode和equals方法的关系：[http://blog.csdn.net/lijiecao0226/article/details/24609559][http_blog.csdn.net_lijiecao0226_article_details_24609559]  
3.自动装箱和拆箱：[https://www.cnblogs.com/danne823/archive/2011/04/22/2025332.html][https_www.cnblogs.com_danne823_archive_2011_04_22_2025332.html]  
4.java中的集合类：[https://www.cnblogs.com/leeplogs/p/5891861.html][https_www.cnblogs.com_leeplogs_p_5891861.html]  
5.HashMap与HashTable、ConcurrentHashMap区别：[https://www.cnblogs.com/wang-meng/p/5808006.html][https_www.cnblogs.com_wang-meng_p_5808006.html]  
6.java中的异常：[http://www.importnew.com/26613.html][http_www.importnew.com_26613.html]  
7.NIO、BIO与AIO：[http://blog.51cto.com/stevex/1284437][http_blog.51cto.com_stevex_1284437]

\[多线程\]

8.多线程实现方式：[https://www.cnblogs.com/felixzh/p/6036074.html][https_www.cnblogs.com_felixzh_p_6036074.html]  
9.线程的状态转换：[http://blog.csdn.net/sinat\_36042530/article/details/52565296][http_blog.csdn.net_sinat_36042530_article_details_52565296]  
10.如何停止一个线程：[https://www.cnblogs.com/greta/p/5624839.html][https_www.cnblogs.com_greta_p_5624839.html]  
11.什么是线程安全：[http://blog.csdn.net/ghevinn/article/details/37764791][http_blog.csdn.net_ghevinn_article_details_37764791]  
12.synchronized和lock的区别：[http://blog.csdn.net/u012403290/article/details/64910926?locationNum=11&fps=1][http_blog.csdn.net_u012403290_article_details_64910926_locationNum_11_fps_1]  
13.sleep和wait区别：[http://blog.csdn.net/u012050154/article/details/50903326][http_blog.csdn.net_u012050154_article_details_50903326]  
14.java线程池：[http://www.importnew.com/19011.html][http_www.importnew.com_19011.html]  
15.并发工具类：[http://blog.csdn.net/sunxianghuang/article/details/52277394][http_blog.csdn.net_sunxianghuang_article_details_52277394]  
16.并发容器类：[http://blog.csdn.net/jianghuxiaojin/article/details/52006183][http_blog.csdn.net_jianghuxiaojin_article_details_52006183]  
17.volatile关键字：[http://blog.csdn.net/victor\_cindy1/article/details/44310195][http_blog.csdn.net_victor_cindy1_article_details_44310195]

**二、java虚拟机**  
1.Jvm垃圾收集器与内存分配策略：[http://www.importnew.com/23035.html][http_www.importnew.com_23035.html]  
2.Jvm运行和类加载过程：[https://www.cnblogs.com/dooor/p/5289994.html][https_www.cnblogs.com_dooor_p_5289994.html]  
3.Jvm字节码执行：[http://blog.csdn.net/u012077981/article/details/40156391][http_blog.csdn.net_u012077981_article_details_40156391]  
4.java内存模型：[http://blog.csdn.net/suifeng3051/article/details/52611310][http_blog.csdn.net_suifeng3051_article_details_52611310];  
  [http://www.hao124.net/article/49][http_www.hao124.net_article_49]

**三、spring**  
1.spring的特点及好处：[https://www.cnblogs.com/song1314/articles/4568379.html][https_www.cnblogs.com_song1314_articles_4568379.html]  
2.spring的69面试题：[https://www.cnblogs.com/huajiezh/p/6415276.html][https_www.cnblogs.com_huajiezh_p_6415276.html]  
3.spring简化java开发复杂性的策略：[http://blog.csdn.net/running\_nz/article/details/54583100][http_blog.csdn.net_running_nz_article_details_54583100]  
4.spring循环依赖及解决办法：[http://blog.csdn.net/caomiao2006/article/details/46511123][http_blog.csdn.net_caomiao2006_article_details_46511123]  
5.springmvc工作流程和原理：[http://blog.csdn.net/liangzi\_lucky/article/details/52459378][http_blog.csdn.net_liangzi_lucky_article_details_52459378]  
6.spring注解原理：[http://blog.csdn.net/u010987379/article/details/52152795][http_blog.csdn.net_u010987379_article_details_52152795]

**四、mybatis**  
1.mybatis常用api：[https://www.cnblogs.com/haimishasha/p/5710474.html][https_www.cnblogs.com_haimishasha_p_5710474.html]  
2.mybatis分页及分页插件原理：[http://blog.csdn.net/jaryle/article/details/52315565][http_blog.csdn.net_jaryle_article_details_52315565]  
3.mybatis插件原理：[http://blog.csdn.net/hupanfeng/article/details/9247379][http_blog.csdn.net_hupanfeng_article_details_9247379]  
4.mybatis动态sql原理：[http://www.importnew.com/24160.html][http_www.importnew.com_24160.html]  
5.mybatis延迟加载：[http://blog.csdn.net/eson\_15/article/details/51668523][http_blog.csdn.net_eson_15_article_details_51668523]

**五、mysql**  
1.各个数据库引擎区别：[http://www.jb51.net/article/38004.htm][http_www.jb51.net_article_38004.htm]  
2.索引的使用注意事项：[https://www.cnblogs.com/zlingh/p/3883716.html][https_www.cnblogs.com_zlingh_p_3883716.html]

**六、redis**  
1.redis五大数据类型：[http://www.runoob.com/redis/redis-data-types.html][http_www.runoob.com_redis_redis-data-types.html]  
2.redis的两个持久化策略：[http://blog.csdn.net/u010785685/article/details/52366977][http_blog.csdn.net_u010785685_article_details_52366977]  
3.redis如何事务支持：[https://www.cnblogs.com/kyrin/p/5967620.html][https_www.cnblogs.com_kyrin_p_5967620.html]  
4.redis哨兵机制：[http://blog.csdn.net/zbw18297786698/article/details/52891695][http_blog.csdn.net_zbw18297786698_article_details_52891695]  
5.redis集群方案：[https://www.zhihu.com/question/21419897][https_www.zhihu.com_question_21419897]  
6.redis主从同步策略：[http://blog.csdn.net/sk199048/article/details/50725369][http_blog.csdn.net_sk199048_article_details_50725369]

**七、通讯协议**  
1.TCP长连接和短连接：[https://www.cnblogs.com/onlysun/p/4520553.html][https_www.cnblogs.com_onlysun_p_4520553.html]  
2.TCP与UDP区别：[http://blog.csdn.net/li\_ning\_/article/details/52117463][http_blog.csdn.net_li_ning_article_details_52117463]  
3.TCP三次握手四次挥手过程：[https://www.cnblogs.com/Andya/p/7272462.html][https_www.cnblogs.com_Andya_p_7272462.html]  
4.http几个重要概念：[http://blog.csdn.net/drixe/article/details/1893558][http_blog.csdn.net_drixe_article_details_1893558]  
5.http的报文结构：[http://blog.csdn.net/zhangliang\_571/article/details/23508953][http_blog.csdn.net_zhangliang_571_article_details_23508953]  
6.GET/POST以及幂等性：[http://blog.csdn.net/dongzhiquan/article/details/6113966][http_blog.csdn.net_dongzhiquan_article_details_6113966]  
7.http request的几种类型：[https://www.cnblogs.com/liangxiaofeng/p/5798607.html][https_www.cnblogs.com_liangxiaofeng_p_5798607.html]  
8.http几个版本之间的区别：[http://blog.csdn.net/zocojoker/article/details/53868639][http_blog.csdn.net_zocojoker_article_details_53868639]

**八、数据结构与算法**  
\[数据结构\]  
1.队列：[http://blog.csdn.net/javazejian/article/details/53375004][http_blog.csdn.net_javazejian_article_details_53375004]  
2.堆栈：[http://blog.csdn.net/javazejian/article/details/53362993][http_blog.csdn.net_javazejian_article_details_53362993]  
3.链表：[http://blog.csdn.net/jianyuerensheng/article/details/51200274][http_blog.csdn.net_jianyuerensheng_article_details_51200274]  
4.树：\[二叉树\][http://blog.csdn.net/javazejian/article/details/53727333][http_blog.csdn.net_javazejian_article_details_53727333]  
 \[B树\][http://blog.csdn.net/liuquan0071/article/details/50521032][http_blog.csdn.net_liuquan0071_article_details_50521032]  
 \[哈夫曼树\][http://blog.csdn.net/axi295309066/article/details/54019807][http_blog.csdn.net_axi295309066_article_details_54019807]  
\[算法\]  
5.（图）广度优先、深度优先：[https://segmentfault.com/a/1190000002685939][https_segmentfault.com_a_1190000002685939]  
6.常见排序算法：[https://www.cnblogs.com/qqzy168/archive/2013/08/03/3219201.html][https_www.cnblogs.com_qqzy168_archive_2013_08_03_3219201.html]  
7.常见查找算法：[http://blog.csdn.net/wqc\_csdn/article/details/52691019][http_blog.csdn.net_wqc_csdn_article_details_52691019]  
8.hash原理：[http://blog.csdn.net/tanggao1314/article/details/51457585][http_blog.csdn.net_tanggao1314_article_details_51457585]  
9.hashmap实现：[https://www.cnblogs.com/chengxiao/p/6059914.html][https_www.cnblogs.com_chengxiao_p_6059914.html]

**九、dubbo**  
1.什么是rcp框架：[https://www.cnblogs.com/ChrisMurphy/p/6550184.html][https_www.cnblogs.com_ChrisMurphy_p_6550184.html]  
2.序列化方式方式及作用：[http://blog.csdn.net/u012554102/article/details/51902697][http_blog.csdn.net_u012554102_article_details_51902697]  
3.dubbo底层协议实现：[https://www.cnblogs.com/1201x/p/6482638.html][https_www.cnblogs.com_1201x_p_6482638.html]  
4.dubbo注册中心如何设置：[http://blog.csdn.net/u011659172/article/details/51491518][http_blog.csdn.net_u011659172_article_details_51491518]  
5.dubbo负载均衡的理解：[https://www.cnblogs.com/qingfengbuluo/p/5527930.html][https_www.cnblogs.com_qingfengbuluo_p_5527930.html]  
6.dubbo容错机制：[https://www.2cto.com/kf/201612/572681.html][https_www.2cto.com_kf_201612_572681.html]  
7.服务调用超时的实现原理：[https://www.cnblogs.com/ASPNET2008/p/7292472.html][https_www.cnblogs.com_ASPNET2008_p_7292472.html]  
8.服务注册与发现的流程：[http://doc.okbase.net/661116/archive/241946.html][http_doc.okbase.net_661116_archive_241946.html]

未完待续...

还有好些内容，后面会慢慢整理出来

**我有一个微信公众号，经常会分享一些Java技术相关的干货。如果你喜欢我的分享，可以用微信搜索“Java团长”或者“javatuanzhang”关注。**

[http_blog.csdn.net_rmn190_article_details_1492013]: http://blog.csdn.net/rmn190/article/details/1492013
[http_blog.csdn.net_lijiecao0226_article_details_24609559]: http://blog.csdn.net/lijiecao0226/article/details/24609559
[https_www.cnblogs.com_danne823_archive_2011_04_22_2025332.html]: https://www.cnblogs.com/danne823/archive/2011/04/22/2025332.html
[https_www.cnblogs.com_leeplogs_p_5891861.html]: https://www.cnblogs.com/leeplogs/p/5891861.html
[https_www.cnblogs.com_wang-meng_p_5808006.html]: https://www.cnblogs.com/wang-meng/p/5808006.html
[http_www.importnew.com_26613.html]: http://www.importnew.com/26613.html
[http_blog.51cto.com_stevex_1284437]: http://blog.51cto.com/stevex/1284437
[https_www.cnblogs.com_felixzh_p_6036074.html]: https://www.cnblogs.com/felixzh/p/6036074.html
[http_blog.csdn.net_sinat_36042530_article_details_52565296]: http://blog.csdn.net/sinat_36042530/article/details/52565296
[https_www.cnblogs.com_greta_p_5624839.html]: https://www.cnblogs.com/greta/p/5624839.html
[http_blog.csdn.net_ghevinn_article_details_37764791]: http://blog.csdn.net/ghevinn/article/details/37764791
[http_blog.csdn.net_u012403290_article_details_64910926_locationNum_11_fps_1]: http://blog.csdn.net/u012403290/article/details/64910926?locationNum=11&fps=1
[http_blog.csdn.net_u012050154_article_details_50903326]: http://blog.csdn.net/u012050154/article/details/50903326
[http_www.importnew.com_19011.html]: http://www.importnew.com/19011.html
[http_blog.csdn.net_sunxianghuang_article_details_52277394]: http://blog.csdn.net/sunxianghuang/article/details/52277394
[http_blog.csdn.net_jianghuxiaojin_article_details_52006183]: http://blog.csdn.net/jianghuxiaojin/article/details/52006183
[http_blog.csdn.net_victor_cindy1_article_details_44310195]: http://blog.csdn.net/victor_cindy1/article/details/44310195
[http_www.importnew.com_23035.html]: http://www.importnew.com/23035.html
[https_www.cnblogs.com_dooor_p_5289994.html]: https://www.cnblogs.com/dooor/p/5289994.html
[http_blog.csdn.net_u012077981_article_details_40156391]: http://blog.csdn.net/u012077981/article/details/40156391
[http_blog.csdn.net_suifeng3051_article_details_52611310]: http://blog.csdn.net/suifeng3051/article/details/52611310
[http_www.hao124.net_article_49]: http://www.hao124.net/article/49
[https_www.cnblogs.com_song1314_articles_4568379.html]: https://www.cnblogs.com/song1314/articles/4568379.html
[https_www.cnblogs.com_huajiezh_p_6415276.html]: https://www.cnblogs.com/huajiezh/p/6415276.html
[http_blog.csdn.net_running_nz_article_details_54583100]: http://blog.csdn.net/running_nz/article/details/54583100
[http_blog.csdn.net_caomiao2006_article_details_46511123]: http://blog.csdn.net/caomiao2006/article/details/46511123
[http_blog.csdn.net_liangzi_lucky_article_details_52459378]: http://blog.csdn.net/liangzi_lucky/article/details/52459378
[http_blog.csdn.net_u010987379_article_details_52152795]: http://blog.csdn.net/u010987379/article/details/52152795
[https_www.cnblogs.com_haimishasha_p_5710474.html]: https://www.cnblogs.com/haimishasha/p/5710474.html
[http_blog.csdn.net_jaryle_article_details_52315565]: http://blog.csdn.net/jaryle/article/details/52315565
[http_blog.csdn.net_hupanfeng_article_details_9247379]: http://blog.csdn.net/hupanfeng/article/details/9247379
[http_www.importnew.com_24160.html]: http://www.importnew.com/24160.html
[http_blog.csdn.net_eson_15_article_details_51668523]: http://blog.csdn.net/eson_15/article/details/51668523
[http_www.jb51.net_article_38004.htm]: http://www.jb51.net/article/38004.htm
[https_www.cnblogs.com_zlingh_p_3883716.html]: https://www.cnblogs.com/zlingh/p/3883716.html
[http_www.runoob.com_redis_redis-data-types.html]: http://www.runoob.com/redis/redis-data-types.html
[http_blog.csdn.net_u010785685_article_details_52366977]: http://blog.csdn.net/u010785685/article/details/52366977
[https_www.cnblogs.com_kyrin_p_5967620.html]: https://www.cnblogs.com/kyrin/p/5967620.html
[http_blog.csdn.net_zbw18297786698_article_details_52891695]: http://blog.csdn.net/zbw18297786698/article/details/52891695
[https_www.zhihu.com_question_21419897]: https://www.zhihu.com/question/21419897
[http_blog.csdn.net_sk199048_article_details_50725369]: http://blog.csdn.net/sk199048/article/details/50725369
[https_www.cnblogs.com_onlysun_p_4520553.html]: https://www.cnblogs.com/onlysun/p/4520553.html
[http_blog.csdn.net_li_ning_article_details_52117463]: http://blog.csdn.net/li_ning_/article/details/52117463
[https_www.cnblogs.com_Andya_p_7272462.html]: https://www.cnblogs.com/Andya/p/7272462.html
[http_blog.csdn.net_drixe_article_details_1893558]: http://blog.csdn.net/drixe/article/details/1893558
[http_blog.csdn.net_zhangliang_571_article_details_23508953]: http://blog.csdn.net/zhangliang_571/article/details/23508953
[http_blog.csdn.net_dongzhiquan_article_details_6113966]: http://blog.csdn.net/dongzhiquan/article/details/6113966
[https_www.cnblogs.com_liangxiaofeng_p_5798607.html]: https://www.cnblogs.com/liangxiaofeng/p/5798607.html
[http_blog.csdn.net_zocojoker_article_details_53868639]: http://blog.csdn.net/zocojoker/article/details/53868639
[http_blog.csdn.net_javazejian_article_details_53375004]: http://blog.csdn.net/javazejian/article/details/53375004
[http_blog.csdn.net_javazejian_article_details_53362993]: http://blog.csdn.net/javazejian/article/details/53362993
[http_blog.csdn.net_jianyuerensheng_article_details_51200274]: http://blog.csdn.net/jianyuerensheng/article/details/51200274
[http_blog.csdn.net_javazejian_article_details_53727333]: http://blog.csdn.net/javazejian/article/details/53727333
[http_blog.csdn.net_liuquan0071_article_details_50521032]: http://blog.csdn.net/liuquan0071/article/details/50521032
[http_blog.csdn.net_axi295309066_article_details_54019807]: http://blog.csdn.net/axi295309066/article/details/54019807
[https_segmentfault.com_a_1190000002685939]: https://segmentfault.com/a/1190000002685939
[https_www.cnblogs.com_qqzy168_archive_2013_08_03_3219201.html]: https://www.cnblogs.com/qqzy168/archive/2013/08/03/3219201.html
[http_blog.csdn.net_wqc_csdn_article_details_52691019]: http://blog.csdn.net/wqc_csdn/article/details/52691019
[http_blog.csdn.net_tanggao1314_article_details_51457585]: http://blog.csdn.net/tanggao1314/article/details/51457585
[https_www.cnblogs.com_chengxiao_p_6059914.html]: https://www.cnblogs.com/chengxiao/p/6059914.html
[https_www.cnblogs.com_ChrisMurphy_p_6550184.html]: https://www.cnblogs.com/ChrisMurphy/p/6550184.html
[http_blog.csdn.net_u012554102_article_details_51902697]: http://blog.csdn.net/u012554102/article/details/51902697
[https_www.cnblogs.com_1201x_p_6482638.html]: https://www.cnblogs.com/1201x/p/6482638.html
[http_blog.csdn.net_u011659172_article_details_51491518]: http://blog.csdn.net/u011659172/article/details/51491518
[https_www.cnblogs.com_qingfengbuluo_p_5527930.html]: https://www.cnblogs.com/qingfengbuluo/p/5527930.html
[https_www.2cto.com_kf_201612_572681.html]: https://www.2cto.com/kf/201612/572681.html
[https_www.cnblogs.com_ASPNET2008_p_7292472.html]: https://www.cnblogs.com/ASPNET2008/p/7292472.html
[http_doc.okbase.net_661116_archive_241946.html]: http://doc.okbase.net/661116/archive/241946.html