Programmer: Ping An Java job interview exhausted what I have learned all my life. After thinking about it, I'd better go to byte

I'm sorry. 2020-11-09 08:20:41
programmer ping java job interview


A friend of mine sent me a copy of Ping An before Java Interview questions for intermediate development , I don't know if it's reliable ! But I firmly believe that ... This is definitely not Java Interview for intermediate Engineer , Not afraid of Java The programmers are rebellious ?

 The programmer : Safety Java The job interview exhausted what I have learned all my life , Wanted to think , Let's go to Ali

 

Later I sent this document to another friend who had participated in several rounds of interviews , After he looked at it , Say with me :“ Are you sure this is an interview question ? It's not that they got their interview papers ?”

I was speechless , I don't know !

He later told me , He took this to byte !

Safe interview question

Here, we have done a simple sorting , The title in the original document is not too complicated

One 、 Resume related

  • Introduce the main items on your resume , Draw a frame , Talk about the project process
  • Ask questions about the skills on your resume

Two 、 queue

  • say something RabbitMQ Structure
  • RabbitMQ The relationship between queues and consumers ?
  • RabbitMQ Type of exchanger
  • The project used kafka,kafka characteristic ?
  • RabbitMQ、RocketMQ、kafka contrast

3、 ... and 、SpringCloud

  • Introduce SpringCloud Core components and their functions , as well as SpringCloud Workflow
  • Introduce SpringCloud heartbeat , And how the consumer finds the server (Ribbon)?
  • Eureka The shortcomings of
  • Eureka Caching mechanisms ?
  • RPC and HTTP The difference between , Use scenarios ?
  • How distributed transactions maintain consistency ?
  • When to use distributed development ?

Four 、Jvm

  • Jvm Memory model , The characteristics of each part ?
  • Class loader , Parent delegation model ?
  • Class loading mechanism
  • Java The structure of the pile , One bean By new After coming out , In the direction of memory space ?
  • How to let the stack overflow , How to let method area overflow ?
  • Write a few Jvm Optimize configuration parameters
  • With what kind of GC Mechanism ?

5、 ... and 、Spring

  • SpringBoot The boot process
  • Let's talk about some common notes ?
  • Spring The implementation principle of events , Write down a few common events
  • Spring Bean Life cycle of ?
  • BeanFactory and FactoryBean The difference between
  • Spring Used in FactoryBean Which method of ?

6、 ... and 、 data structure

  • say something HashMap、ConcurrentHashMap data structure ,1.7 And 1.8 The difference between ?
  • Talk about data structures , such as TreeMap
  • B-tree、B+tree?
  • The difference between left-handed and right-handed of red and black trees ?

7、 ... and 、 Concurrent

  • Concurrent What are the common classes under the package ?
  • Three types of distributed locks , And talk about its advantages and disadvantages and use scenarios

8、 ... and 、 Thread pool

  • Do you know which blocking queues are commonly used ?
  • newFixedThreadPool Which blocking queue was used ?

Nine 、 database

  • say something MySQL Storage engine Innodb and MYISAM The differences and use scenarios
  • say something MySQL Query optimization
  • Talk about dirty reading 、 It can't be read repeatedly 、 Fantasy reading
  • Let's talk about the four characteristics of transactions (ACID)
  • Codis And Redis The difference between clusters

Ten 、 Design

  • To cache the user information of the website login , You have several ways ?
  • Let you design a distributed cache , How to design a cache that can update all servers at the same time ?
  • Talk about the difficulties or challenges you encounter at work

Let's take a look at the answer

If necessary , Help forward the article ,100% Free access :+ Assistant Wei :mxzFAFAFA

 The programmer : Safety Java The job interview exhausted what I have learned all my life , Wanted to think , Let's go to Ali

 

 The programmer : Safety Java The job interview exhausted what I have learned all my life , Wanted to think , Let's go to Ali

 

 The programmer : Safety Java The job interview exhausted what I have learned all my life , Wanted to think , Let's go to Ali

 

 The programmer : Safety Java The job interview exhausted what I have learned all my life , Wanted to think , Let's go to Ali

 

 The programmer : Safety Java The job interview exhausted what I have learned all my life , Wanted to think , Let's go to Ali

 

 The programmer : Safety Java The job interview exhausted what I have learned all my life , Wanted to think , Let's go to Ali

 

Now that we've shared , Just share more real interview questions , Please forward this article if you need to get it for free , Free collection + Assistant Wei :mxzFAFAFA

 

 

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