Java面试宝典

Java 基础-------------------------------------------------------------------------------------------------- 1

基本数据类型--------------------------------------------------------------------------------------------- 1

包装类型--------------------------------------------------------------------------------------------------- 1

集合--------------------------------------------------------------------------------------------------------- 2

多线程------------------------------------------------------------------------------------------------------ 2

生命周期--------------------------------------------------------------------------------------------------- 2

热门面试问题：------------------------------------------------------------------------------------------ 3

1、什么是 GC？为什么要有 GC--------------------------------------------------------------------- 3

2、final, finally 和 finalize 的区别？----------------------------------------------------------------- 3

3、什么是单例模式？实现步骤----------------------------------------------------------------------- 3

4、ArrayList 和 LinkedList 有何区别？------------------------------------------------------------- 3

5、HashMap 和 Hashtable 的区别？--------------------------------------------------------------- 3

6、Iterater 和 ListIterator 之间有什么区别？------------------------------------------------------ 4

7、创建线程的方式？----------------------------------------------------------------------------------- 4

8、什么是死锁？----------------------------------------------------------------------------------------- 4

9、wait()与 sleep()的区别？--------------------------------------------------------------------------- 4

10、什么是 ThreadLocal？ThreadLocal 和 Synchonized 的区别？------------------------- 4

Java Web--------------------------------------------------------------------------------------------------- 5

Ajax---------------------------------------------------------------------------------------------------------- 5

JQuery ------------------------------------------------------------------------------------------------------5

Cookie------------------------------------------------------------------------------------------------------ 5

Session----------------------------------------------------------------------------------------------------- 6

热门面试问题：------------------------------------------------------------------------------------------- 6

1、原生态 Ajax 执行流程？---------------------------------------------------------------------------- 6

2、转发（forward）和重定向（redirect）的区别？---------------------------------------------- 6

3、怎么防止表单重复提交？--------------------------------------------------------------------------- 7

4、web.xml 文件中可以配置哪些内容？------------------------------------------------------------ 7

数据库（MySQL） ----------------------------------------------------------------------------------------7

连接查询----------------------------------------------------------------------------------------------------- 7
内连接-------------------------------------------------------------------------------------------------------- 7

外连接-------------------------------------------------------------------------------------------------------- 7

联合查询----------------------------------------------------------------------------------------------------- 8

索引----------------------------------------------------------------------------------------------------------- 9

数据库引擎-------------------------------------------------------------------------------------------------- 9

存储过程----------------------------------------------------------------------------------------------------- 9

热门面试问题：------------------------------------------------------------------------------------------- 10

1、JDBC 编程的步骤？--------------------------------------------------------------------------------- 10

2、事务的 ACID 是什么？事务并发会产生哪些问题？------------------------------------------ 10

3、数据库性能优化有哪些方式？--------------------------------------------------------------------- 10

框架部分----------------------------------------------------------------------------------------------------- 11

Spring-------------------------------------------------------------------------------------------------------- 11

Spring 的理解----------------------------------------------------------------------------------------------- 11

Spring Bean 生命周期------------------------------------------------------------------------------------ 12

Spring 中的设计模式-------------------------------------------------------------------------------------- 12

Spring 注解-------------------------------------------------------------------------------------------------- 12

Spring 事务-------------------------------------------------------------------------------------------------- 13

SpringMVC-------------------------------------------------------------------------------------------------- 14

SpringMVC 执行流程------------------------------------------------------------------------------------- 14

springmvc 常用注解--------------------------------------------------------------------------------------- 14

SpringMVC 和 Struts2 对比----------------------------------------------------------------------------- 15

Mybatis -------------------------------------------------------------------------------------------------------15

Mybatis 的理解--------------------------------------------------------------------------------------------- 15

Mybatis 缓存 ------------------------------------------------------------------------------------------------16

SpringBoot-------------------------------------------------------------------------------------------------- 16

SpringBoot 简介------------------------------------------------------------------------------------------- 16

SpringBoot 特性 -------------------------------------------------------------------------------------------16

SpringBoot 核心 -------------------------------------------------------------------------------------------16

SpringCloud ------------------------------------------------------------------------------------------------17

SpringCloud 简介 -----------------------------------------------------------------------------------------17

SpringCloud 核心组件 -----------------------------------------------------------------------------------17
微服务 -------------------------------------------------------------------------------------------------------17

Docker -------------------------------------------------------------------------------------------------------17

Docker 简介 ------------------------------------------------------------------------------------------------17

Docker 理解 ------------------------------------------------------------------------------------------------17

Redis ---------------------------------------------------------------------------------------------------------24

Redis 简介 --------------------------------------------------------------------------------------------------24

Redis 支持的数据类型 -----------------------------------------------------------------------------------24

Redis 应用场景 --------------------------------------------------------------------------------------------24

Redis 持久化 -----------------------------------------------------------------------------------------------24

Redis 的优势 -----------------------------------------------------------------------------------------------24

Solr -----------------------------------------------------------------------------------------------------------25

Solr 简介 ----------------------------------------------------------------------------------------------------25

Solr 配置 ----------------------------------------------------------------------------------------------------25

倒排索引 ----------------------------------------------------------------------------------------------------25

RabbitMQ/ActiveMQ -------------------------------------------------------------------------------------26

RabbitMQ 简介 --------------------------------------------------------------------------------------------26

RabbitMQ 特点 --------------------------------------------------------------------------------------------26

RabbitMQ 工作模式 --------------------------------------------------------------------------------------26

ActiveMQ 简介 ---------------------------------------------------------------------------------------------27

ActiveMQ 工作模式 ---------------------------------------------------------------------------------------27
MQ 对比 -----------------------------------------------------------------------------------------------------27

Dubbo --------------------------------------------------------------------------------------------------------27

Dubbo 简介 -------------------------------------------------------------------------------------------------27

Dubbo 开发流程 -------------------------------------------------------------------------------------------28

FastDFS -----------------------------------------------------------------------------------------------------28

FastDFS 简介 ----------------------------------------------------------------