java中高级实战面试题

ゝ一纸荒年。 2022-11-03 00:50 179阅读 0赞

1.java8的新特性？List转Map会不会出现什么问题

[https://blog.csdn.net/weixin\_39850167/article/details/111268002][https_blog.csdn.net_weixin_39850167_article_details_111268002]

2.了解mysql的索引么？说下索引的分类？

[https://www.cnblogs.com/beyond-succeed/p/12573839.html][https_www.cnblogs.com_beyond-succeed_p_12573839.html]

3.说下最左匹配的原理？

[https://blog.csdn.net/weixin\_43268933/article/details/108505662][https_blog.csdn.net_weixin_43268933_article_details_108505662]

4.数据库中能存储特殊符号么？类似微信的笑脸？怎么设置？

[https://baijiahao.baidu.com/s?id=1644174105479692686&wfr=spider&for=pc][https_baijiahao.baidu.com_s_id_1644174105479692686_wfr_spider_for_pc]

5.了解多线程么？说下锁

[https://www.cnblogs.com/weechang/p/12539361.html][https_www.cnblogs.com_weechang_p_12539361.html]

6.了解线程池么？说下线程池的核心参数，说下策略

[https://blog.csdn.net/q15102780705/article/details/100676117][https_blog.csdn.net_q15102780705_article_details_100676117]

7.说下JUC

[https://blog.csdn.net/springsdl/article/details/105971977][https_blog.csdn.net_springsdl_article_details_105971977]

[https://blog.csdn.net/springsdl/article/details/105986871][https_blog.csdn.net_springsdl_article_details_105986871]

8.说下redis的数据类型

[https://blog.csdn.net/DreamsArchitects/article/details/113841424?spm=1001.2014.3001.5501][https_blog.csdn.net_DreamsArchitects_article_details_113841424_spm_1001.2014.3001.5501]

9.说下redis中的雪崩和穿透，怎么防止

[https://blog.csdn.net/q15102780705/article/details/102539198][https_blog.csdn.net_q15102780705_article_details_102539198]

10.看你简历上有秒杀？你们是怎么做的？如何设计的？如何防止超卖？

[https://blog.csdn.net/q15102780705/article/details/102136899][https_blog.csdn.net_q15102780705_article_details_102136899]

11.lock和tryLock的区别

[https://www.cnblogs.com/wenbochang/p/11317571.html][https_www.cnblogs.com_wenbochang_p_11317571.html]

12.100人抽奖，没人只能抽一次，有十个人中奖怎么设计

[https://blog.csdn.net/q15102780705/article/details/105722873][https_blog.csdn.net_q15102780705_article_details_105722873]

[https_blog.csdn.net_weixin_39850167_article_details_111268002]: https://blog.csdn.net/weixin_39850167/article/details/111268002
[https_www.cnblogs.com_beyond-succeed_p_12573839.html]: https://www.cnblogs.com/beyond-succeed/p/12573839.html
[https_blog.csdn.net_weixin_43268933_article_details_108505662]: https://blog.csdn.net/weixin_43268933/article/details/108505662
[https_baijiahao.baidu.com_s_id_1644174105479692686_wfr_spider_for_pc]: https://baijiahao.baidu.com/s?id=1644174105479692686&wfr=spider&for=pc
[https_www.cnblogs.com_weechang_p_12539361.html]: https://www.cnblogs.com/weechang/p/12539361.html
[https_blog.csdn.net_q15102780705_article_details_100676117]: https://blog.csdn.net/q15102780705/article/details/100676117?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522161430418016780261952248%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fblog.%2522%257D&request_id=161430418016780261952248&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~blog~first_rank_v1~rank_blog_v1-1-100676117.pc_v1_rank_blog_v1&utm_term=%E7%BA%BF%E7%A8%8B%E6%B1%A0
[https_blog.csdn.net_springsdl_article_details_105971977]: https://blog.csdn.net/springsdl/article/details/105971977
[https_blog.csdn.net_springsdl_article_details_105986871]: https://blog.csdn.net/springsdl/article/details/105986871
[https_blog.csdn.net_DreamsArchitects_article_details_113841424_spm_1001.2014.3001.5501]: https://blog.csdn.net/DreamsArchitects/article/details/113841424?spm=1001.2014.3001.5501
[https_blog.csdn.net_q15102780705_article_details_102539198]: https://blog.csdn.net/q15102780705/article/details/102539198
[https_blog.csdn.net_q15102780705_article_details_102136899]: https://blog.csdn.net/q15102780705/article/details/102136899
[https_www.cnblogs.com_wenbochang_p_11317571.html]: https://www.cnblogs.com/wenbochang/p/11317571.html
[https_blog.csdn.net_q15102780705_article_details_105722873]: https://blog.csdn.net/q15102780705/article/details/105722873