基本数据类型面试题第5页

第一次面试的经历（java开发实习生）

（项目经验）八大基本数据类型是什么？（基础）你说一下long类型能直接运转吗？应该是问是否可以直接运算？（基础）你了解单例模式吗？你可以讲一下吗（设计模式）懒汉模式跟饿汉模式有什么区别？

大刀爱敲代码·2024-09-07 15:04

细节：基本数据类型中float与double的区别

一、两者定义float：单精度浮点数double：双精度浮点数二、两者的主要区别01）在内存中占有的字节数不同单精度浮点数在机内存占4个字节双精度浮点数在机内存占8个字节02）有效数字位数不同单精度浮点数有效数字8位双精度浮点数有效数字16位03）数值取值范围单精度浮点数的表示范围：-3.40E+38~3.40E+38双精度浮点数的表示范围：-1.79E+308~-1.79E+30804）在程序中

YJulius·2024-09-07 14:27

python爬虫面试真题及答案_Python面试题爬虫篇(附答案)

0|1第一部分必答题注意：第31题1分，其他题均每题3分。1，了解哪些基于爬虫相关的模块？-网络请求：urllib，requests，aiohttp-数据解析：re，xpath，bs4，pyquery-selenium-js逆向：pyexcJs2，常见的数据解析方式？-re、lxml、bs43，列举在爬虫过程中遇到的哪些比较难的反爬机制？-动态加载的数据-动态变化的请求参数-js加密-代理-coo

朴少·2024-09-07 13:19

golang学习笔记06——怎么实现本地文件及目录监控-fsnotify

GoppViper·2024-09-07 11:12

高级java每日一道面试题-2024年9月01日-基础篇-事务的四个特性（ACID）分别是什么？

如果有遗漏,评论区告诉我进行补充面试官:事务的四个特性（ACID）分别是什么？我回答:事务的四个特性（ACID）是经常被提及的重要概念，特别是在处理数据库操作时。ACID代表原子性（Atomicity）、一致性（Consistency）、隔离性（Isolation）和持久性（Durability），这四个特性共同保证了数据库事务的可靠性和完整性。1.原子性（Atomicity）定义：原子性是指事务

java我跟你拼了·2024-09-07 11:37

20道大厂真实面试题，答出一半以上的都是高手

这些面试题分享出来，大家看看自己能答出多少吧~大厂面试真题1、京东：Spring的循环依赖问题如何解决

架构文摘JGWZ·2024-09-07 10:33

微服务高频热点面试题汇总

1.SpringBoot面试题1.1.简单聊聊SpringBoot的作用是什么?

骨灰级收藏家·2024-09-07 10:30

2024金九银十208道Java中高级高频面试题（含答案）

12.什么是集合?集合和数组的区别。13.常用的集合类有哪些？它们的区别是什么？14.集合如何安全地批量删除元素?15.java怎么实现动态代理?有什么意义?16.什么是死锁?死锁产生的原因是什么?如何避免死锁？17.synchronized的作用。18.volatile关键字的作用19.线程怎么保持同步？20.什么是CAS?21.乐观锁与悲观锁?乐观锁的实现方式？22.Lock与synchron

2401_85125308·2024-09-07 10:59

c++基本数据类型变量的最大值，最小值和内存空间

基本数据类型有哪些？

呃m·2024-09-07 06:04

大厂高频面试题复习JAVA学习笔记-学习路线

对于应届生，要找到一份java工作，你得大概学会：java基础：javase、jvm、juc、gc、mysql、jdbc，计网计组Java微服务基础Maven→Gradle→Spring6→SpringMVC→MyBatis→MyBatisPlus→SSM->Redis7->SpringBoot2->SpringCloudjava微服务生态:Git-Docker-Elasticsearch→Zoo

addaduvyhup·2024-09-07 06:58

【jQuery】前端八股文面试题

jQuery这个问的没有那么多，暂时我被问到的就这几个。大家可以直接订阅专栏。文章目录jQuery1.jQuery常见的方法有哪几个？2.在jQuery中，常见使用委托的事件有哪些？1）点击事件（click）2）鼠标悬停事件（mouseenter和mouseleave）3）表单提交事件（submit）4）输入框变化事件（change）3.在jQuery中，常见的鼠标事件方法有哪些？1）click（

菜鸟una·2024-09-07 06:58

java分布式开发面试题

正文梳理知识点，是快速提升技术的关键前面讲过，快速提升自己的技术硬实力其实是有方法的。大致就是梳理知识点+夯实基础+进阶深入学习+实战，下面我会一点点跟大家剖析，本文干货满满，大家仔细阅读。梳理知识后，夯实基础乃是刚需：深入进阶学习（28个主流Java知识点“一网打尽”）1、并发编程Java并发编程是整个Java开发体系中最难以理解，但也是最重要的知识点之一，一旦掌握你一定在市场上供不应求。Jav

spring面试题·2024-09-07 02:38

Java面试题

Java面试题文章目录1、抽象类和接口的区别2、重载和重写的区别3、==和equals的区别4、讲一讲什么是map、set、list5、HashMap原理6、什么是JSP？

路飞Fly了·2024-09-07 02:08

html如何嵌套页面？标签告诉你答案</h4> </div> <div class="article-excerpt"> web前端全栈资料粉丝福利（<em>面试题</em>、视频、资料笔记、进阶路线）在这里小编首先介绍的是HTML中iframe标签的用法：怎么在一个网页中嵌入另一个网页呢，我们可以用html中的iframe标签搞定 </div> </a> <div class="newsitem-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> PHP9年架构师<span class="dot">·</span>2024-09-07 02:06 </span> </span> <ul class="taglist--inline inline-block articletitle--tag"> </ul> </div> </div> </div> <div class="news-item streamitem clearfix mt15"> <div class="newsitem-info clearfix"> <a href="/article/1832036782951198720.htm" class='news-img' style="background-image:url('http://img.e-com-net.com/image/info8/46137d056e414c9090b60d9b8e8ce235.jpg@!80x60')" ></a> <a target="_blank" href="/article/1832036782951198720.htm"> <div class="mb5 mt5"> <h4 class="newsitem-title mt0">Python全网最全基础课程笔记(四)——<em>基本数据类型</em></h4> </div> <div class="article-excerpt"> 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class="author pr20"> wq17629260466<span class="dot">·</span>2024-09-06 19:54 </span> </span> <ul class="taglist--inline inline-block articletitle--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/%E5%A4%A7%E6%95%B0%E6%8D%AE/1.htm"> 大数据 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/spark/1.htm"> spark </a> </li> </ul> </div> </div> </div> <div class="news-item streamitem clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1831967438040821760.htm" ></a> <a target="_blank" href="/article/1831967438040821760.htm"> <div class="mb5 mt5"> <h4 class="newsitem-title mt0">Redis数据类型简介及使用场景</h4> </div> <div class="article-excerpt"> 在本文中，我们将详细介绍Redis支持的五种<em>基本数据类型</em>：字符串(String)、哈希(Hash)、列表(List)、集合(Set)和有序集合(Zset)，以及三种高级数据类型：HyperLogLog、 </div> </a> <div class="newsitem-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 空青726<span class="dot">·</span>2024-09-06 16:28 </span> </span> <ul class="taglist--inline inline-block articletitle--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/redis/1.htm"> redis </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E6%95%B0%E6%8D%AE%E5%BA%93/1.htm"> 数据库 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E7%BC%93%E5%AD%98/1.htm"> 缓存 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E8%B7%B3%E6%A7%BD/1.htm"> 跳槽 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E8%80%83%E7%A0%94/1.htm"> 考研 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E9%9D%A2%E8%AF%95/1.htm"> 面试 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E5%90%8E%E7%AB%AF/1.htm"> 后端 </a> </li> </ul> </div> </div> </div> <div class="news-item streamitem clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1831942474675875840.htm" ></a> <a target="_blank" href="/article/1831942474675875840.htm"> <div class="mb5 mt5"> <h4 class="newsitem-title mt0">【Kafka专栏 11】深入理解Kafka的网络线程模型：是谁在幕后“操纵”数据流？</h4> </div> <div class="article-excerpt"> 本专栏旨在以浅显易懂的方式介绍Kafka的基本概念、核心组件和使用场景，一步步构建起消息队列和流处理的知识体系，无论是对分布式系统感兴趣，还是准备在大数据领域迈出第一步，本专栏都提供所需的一切资源、指导，以及相关<em>面试题</em> </div> </a> <div class="newsitem-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 夏之以寒<span class="dot">·</span>2024-09-06 14:16 </span> </span> <ul class="taglist--inline inline-block articletitle--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/%E5%A4%8F%E4%B9%8B%E4%BB%A5%E5%AF%92-kafka%E4%B8%93%E6%A0%8F/1.htm"> 夏之以寒-kafka专栏 </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/kafka/1.htm"> kafka </a> </li> <li class="tagPopup mb5"> <a class="tag" href="/search/%E7%BD%91%E7%BB%9C/1.htm"> 网络 </a> </li> <li class="tagPopup mb5"> <a class="tag" 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class="taglist--inline inline-block articletitle--tag"> <li class="tagPopup mb5"> <a class="tag" href="/search/%E5%89%8D%E7%AB%AF/1.htm"> 前端 </a> </li> </ul> </div> </div> </div> <div class="news-item streamitem clearfix mt15"> <div class="news__item-info clearfix"> <a href="/article/1831872543452131328.htm" ></a> <a target="_blank" href="/article/1831872543452131328.htm"> <div class="mb5 mt5"> <h4 class="news__item-title mt0">hive学习笔记之五：分桶</h4> </div> <div class="article-excerpt"> GitHubhttps://github.com/zq2599/blog_demos内容：所有原创文章分类汇总及配套源码，涉及Java、Docker、Kubernetes、DevOPS等；《hive学习笔记》系列导航<em>基本数据类型</em>复杂数据类型内部表和外部表分区表分桶 </div> </a> <div class="newsitem-meta"> <span class=" votes-operation"> <span class="wrap"> <i class="glyphicon glyphicon-thumbs-up hot"></i> </span> <span class="author pr20"> 程序员欣宸<span class="dot">·</span>2024-09-06 09:24 </span> </span> <ul class="taglist--inline inline-block articletitle--tag"> </ul> </div> </div> </div> <div class="news-item streamitem clearfix 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