2022 In, the competition in the Internet industry became more and more severe , Interviews are also becoming more and more difficult , I've always wanted to organize a perfect interview book , It's hard to find time , So I've sorted this out for you 15K
Raise salary and move to 32K+16 My notes , I wish you a successful salary increase and job hopping
Java List of interview questions
MyBatis Interview article
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What is? Mybatis?
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Mybaits Advantages of :
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myBatis Disadvantages of framework :
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MyBatis Frame application :
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MyBatis And Hibernate What are the differences ?
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# and $ What's the difference ?
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When the attribute name in the entity class is different from the field name in the table · What should I do? ?
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Fuzzy query like How to write words ?
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Usually one Xml Mapping file , Will write one Dao Corresponding interface , Excuse me? , this Dao The working principle of the interface is tDa
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Mybatiz How is paging performed ? What is the principle of paging plug-in ?
Zookeeper Interview article
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ZooKeeper noodles j test questions ?
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ZooKeeper What does it offer ?
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Zookeeper file system
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ZAB agreement ?
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Four types of data nodes Znode
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Zookeeper "atcher mechanism -- Data change notice
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Client registration watcher realization
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Server processing watcher realization
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Client Callback atcher
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ACL Authority control mechanism
Dubbo Interview article
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Why Dubbo?
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Dubbo What are the layers of the overall architecture design ?
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What communication framework is used by default , Are there any other options ?
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Is the service call blocked ?
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What registry do you usually use ? Are there any other options ?
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What serialization framework is used by default , What else do you know ?
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What is the principle that service providers can implement failure ? after , Why doesn't the service launch affect the old version ?
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How to solve the problem of long service call chain ?10, What are the core configurations ?
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Dubbo What protocol is recommended ?
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Can a service be directly connected when there are multiple registrations for the same service ?
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painting — Draw the flow chart of service registration and discovery ?
Redis Interview article
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What is? Redis?
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Redis Data type of ?
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use Redis What are the benefits ?
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Rediz comparison Memcached What are the advantages ?
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Memcache And Redi s What are the differences ?
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Redis Is it single process or single thread ?
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A value of type string What is the maximum storage capacity ?
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Redi s What is the persistence mechanism of ? Respective advantages and disadvantages ?
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Redi s Common performance problems and Solutions :10,redis Delete policy for expired keys ?
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Redis Recycling strategy （ Elimination strategy 〉?
MySQL Interview article
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MySQL What kinds of locks are there in the ?
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MySQL What are the different tables in ?
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Brief description in MySQI In database My work SAM and InnoDB Day difference
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MysQL in InnoDB Four supported transaction isolation level names , And the difference between levels ?
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CHAR and VARCHAR Differences between ?
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What is the difference between a primary key and a candidate key ?
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myisamchk What is it for ?
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If a table has a column defined as TIMESTAMP, What will happen ?
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How do you see all the indexes defined for the table ?
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LTRE In the declaration % and _ What do you mean? ?
Java Concurrent programming
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Three elements of concurrent programming ?
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What are the ways to achieve visibility ?
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Value of multithreading ?
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What are the ways to create threads ?
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Comparison of three ways to create threads ?
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Thread state flow diagram
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Jave Threads have five basic states
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What is a thread pool ? What are the creation methods ?
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Creation of four thread pools
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Advantages of thread pool ?
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Common concurrency I What are the specific classes ?
Spring Interview article
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What is? spring?
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use Spring What are the benefits of the framework ?
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Spri ne What are the modules ?
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Core container ( Application context ) modular .
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BeanFactory one BeanFactory Implementation example .
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XMLBeanF actory
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explain AOP modular
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explain JBC Abstract and DAD modular .
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Interpretation object / Relational mapping integration module .
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explain WEB modular .
kafka Interview article
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How to get topi c List of topics
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Producer and consumer command line What is it? ?
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consumer Push or pull ?
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Talk about kafk Methods of maintaining consumption status tracking
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Let's talk about master-slave synchronization **
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Why does the messaging system need ,mysq1 Can't meet the demand ?
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Zookeeper about Kafka What is the function of ?
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What are three transaction definitions for data transmission ?
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Kafka What are the two conditions for judging whether a node is still alive ?
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Kafka There are three key differences from traditional service messaging systems
Micro service interview
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What do you know about microservices ?
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What are the advantages of microservice architecture ?
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What are the characteristics of microservices ?
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What are the best practices for designing microservices ?
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How does the microservice architecture work ?
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What are the advantages and disadvantages of microservice architecture ?
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monolithic ,SOA What is the difference between and microservice architecture ?
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When using microservice architecture , What challenges do you face ?
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S0A What are the main differences between and microservice architecture ?
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What are the characteristics of microservices ?
In addition, there are Elasticsearch（24 Avenue ）Memcached（23 Avenue ）Java Often ask knowledge points （200 Avenue +）SpringBoot（22
Avenue ）SpringCloud（8 Avenue ）Linux（45 Avenue ）MQ（12 Avenue ）
Because the copy is too long , Not all the interview topics here （ answer ） It's shown one by one. Here's all Java Table of contents for interview , Click the assistant below to get it
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