Blow up! Ant financial services delayed listing, internal p7java interview questions were leaked

osc_a949oaqo 2020-11-09 12:58:38
blow ant financial services delayed


We are teaching ourselves Java When , A lot of knowledge is hard to master , Most of the partners should need some materials that are easy to learn and learn .
I'd like to share my experience of going to Ali this year , For your reference .
Soon got Ali's offer, in total 4 Round interview .

Speaking of this , This is the general direction of the interview questions , Once you've mastered , I'm worried about going to a big factory ?

So the point is , How to review ?
Actually, step by step , It's not just about writing questions before an interview , More is the usual accumulation .
I'm going to organize an article for the interviewee Java The core knowledge of the way to advanced architect , At the same time, it is also the knowledge that the interviewer must ask during the interview , The chapter also includes a lot of knowledge points , It includes :Spring Boot 、 Microservices 、MyBatis、Redis、 Microservices 、 middleware And distributed caching 、、Kafka、 database 、 Design patterns 、 data structure 、Zookeeper、Java Algorithm, etc. .

One 、Spring Boot A series of interview questions

1、 What is? Spring Boot?
2、Spring Boot What are the advantages ?
3、 What is? JavaConfig?
4、 How to reload Spring Boot Changes on , Without restarting the server ?
5、Spring Boot What is the monitor in ?
6、 How to be in Spring Boot disable Actuator Endpoint security ?
7、 How to run on a custom port Spring Boot Applications ?







Two 、 Micro service series interview questions

1、 monolithic ,SOA What's the difference with microservice architecture ?
2、 When using microservice architecture , What are your challenges ?
3、SOA What is the main difference between and microservice Architecture ?
4、 Why domain driven design is needed (DDD)?
5、 What is? REST / RESTful And what is its purpose ?
6、 stay Spring MVC Used in applications WebMvcTest What's the use of annotations ?
7、 You are right. Distributed Transaction What do you know ?





3、 ... and 、MyBatis A series of interview questions

1、 What is? Mybatis?
2、Mybaits The advantages of
3、MyBatis Disadvantages of the framework
4、MyBatis The frame is suitable for
5、MyBatis And Hibernate What are the differences ?
6、#{} and ${} What's the difference ?
7、 When the property name in the entity class is different from the field name in the table , What do I do ?









Four 、Redis A series of interview questions

1、 What is? Redis?
2、Redis Data type of ?
3、 Use Redis What are the benefits ?
4、Redis comparison Memcached What are the advantages ?
5、Memcache And Redis What are the differences ?
6、Redis Single process, single thread ?
7、 What is the maximum storage capacity of a string type value ?









5、 ... and 、 Middleware series interview questions

1、 Why use Dubbo?
2、Dubbo What are the layers of the overall architecture design of ?
3、 What communication framework is used by default , Is there any other choice ?
4、 Is the service call blocking ?
5、 What kind of registration center do you usually use ? Is there any other choice ?
6、 What serialization framework is used by default , What else do you know ?
7、 What is the principle that service providers can implement failure kicking ?
8、 What is? Spring Cloud?
9、 Use Spring Cloud What are the advantages ?
10、 What does service registration and discovery mean ?Spring Cloud How to achieve ?
11、 What's the point of load balancing ?
12、 What is? Hystrix? How does it achieve fault tolerance ?
13、 What is? Hystrix Circuit breaker ? Do we need it ?
14、 What is? Netflix Feign? What are its advantages ?














6、 ... and 、 Distributed series of interview questions

1、Dubbo service degradation , Fail to try again how to do ?
2、Dubbo What problems are encountered in the process of use ?
3、Dubbo Monitor Realization principle ?
4、Dubbo What design patterns are used ?
5、 Understanding of distributed transactions
6、 How to realize load balancing , What algorithms can be implemented ?
7、Zookeeper Use of , What are the principles of voting ?
8、 Vertical and horizontal resolution of data .
9、zookeeper Principles and applicable scenarios
10、zookeeper watch Mechanism
11、redis/zk How are node outages handled
12、 How to achieve unique sequence number in distributed cluster
13、 How to make a distributed lock















7、 ... and 、 Database series interview questions

1、MySQL in InnoDB Four supported transaction isolation level names , And the difference between levels ?
2、 The underlying implementation principle and optimization of index
3、MySQL The database is used as the storage of the publishing system , More than 50000 increments a day , It is expected that the operation and maintenance will last for three years , How to optimize the ?
4、 What are the transactions in the database ?
5、SQL The cause of injection hole ? How to prevent ?
6、 explain MySQL External connection 、 The difference between internal connection and self connection
7、SQL What are the parts of language ? What are the operation keywords in each part ?







summary :

Many people have been interviewing recently , I have also collated a lot of interview materials , There are also other big factories . I hope I can help you .

1000 Big internet factory Java Analysis of the real question of engineer interview

Because of the number of words in the article , You can't upload all the information , I've arranged a copy of 《 Internet factory Java Senior engineer core interview 1000 Problem analysis 》PDF, Friends in need can : Click here for a full set of information .

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