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View Code? Open in Web Editor NEW下一代Java面试题,精准
下一代Java面试题,精准
问题:HashMap如何根据Key的自然排序输出?Value呢?
意图:是否能够灵活应用Java的API。如果这道题都答不出来,那面试可想而知。
在平常的面试中,我发现,确实有很大一部分同学答不上来。这是缺乏实践经验和联想能力,只能说sorry了
日期:2020-12-04
问题:spring中,以 Aware结尾的类,都是干什么用的?能举例说明么?
标签:Spring,初级
redis实现分布式锁用的是setnx ,还需要用到lua表达式控制在一个指令里执行
日期:2020-12-14
问题:ThreadLocal的原理和内存泄漏的原因, InheritableThreadLocal用过吗和ThreadLocal的区别
标签:Java | 线程间数据隔离 | 内存泄漏
问题缘由: 蚂蚁二面的问题
日期:2020-12-10
问题:mysql的索引有哪些种类,使用了什么样的数据结构,为什么要使用这种结构
标签:数据库,数据结构
问题缘由: 经典面试题
日期:2020-12-21
问题:Springboot常用的注解有哪些?如果这些注解错位会发生什么?比如:@controller@repository @service三个错位会怎么样?
标签:Spring,初级
如题
日期:2020-12-11
问题:业务服务 和 后台管理服务 DAO层如何处理, 共用pom依赖、分别写、抽取数据查询服务
标签:服务拆分
问题缘由: 业务痛点
读写锁里面两个特性,一个公平性,一个读和写。原理是什么样子?
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