编程知识 cdmana.com

Ten thousand words long article easy and thorough introduction to spring, 2021 latest Tencent Java interview sharing

one side ( On the phone + Post online coding)

① Why do you use mongdoDb? Which tables are involved in your system ?

②hytrix What is the implementation principle of ? What are the isolation strategies ? Which ones do you use ? Where do you use , What is the usage scenario ? Why use ?

③spirng Source code .

④rocketMq Design concept of , data storage , Design ideas, etc .

⑤ConcurrentHashMap The underlying implementation principle of

⑥ What is your online problem solving experience ? What's the problem ? How to solve it ?

⑦ On line coding : Two ordered lists , Merge into a linked list , And then the time complexity of the algorithm , Spatial complexity analysis .

Two sides ( On the phone + Post online coding)

①tcp The protocol and uDP What is the difference between agreements ?

②3 Secondary handshake 4 What is the process of the first wave ?

③ How to ensure the idempotency of interface ?

④mysql What is the data structure of the storage engine of ? Compared to the rest of the data structure , What are the advantages and disadvantages ?

⑤ Say you are right SpringCloud,SpringBoot,Spring The understanding of the

⑥java What was done in the compilation and run process respectively ?

⑦ On line coding : Given a string , Words are separated by spaces , Ask the words inside to be inverted .

On three sides ( On the phone , Technology intersection )

① Introduce to you springCloud The components of , The function of each component , How do you use , What do you understand ?

②springCloudbus There are several types of associated messages ? Which ones do you support ? What scene do you think , use springCLoudBus?

③springCloud The current limiting inside , How is current limiting implemented internally ? How to block unnecessary requests , How to realize current limiting ( How thread pools work )?

④ When should I use it mongoDB, When to use mysql? How to choose ?

⑤ What's the amount of data you've worked on ? If there's a huge amount of data right now , Or a table can't be put down , What to do with ? What should a distribution table do ? How to disassemble a specific table ?( It's about primary key generation , Comparison of various primary key generation strategies , Data fragmentation , And the storage of associated data , Master slave copy )

⑥java There are several ways to create thread pool provided by the government ? What are the differences ?

⑦ You use it java What is the version ?java What's the latest version ? Why are you still using java8 Well ?

⑧ What's your garbage collector ? Why use CMS instead of G1? Can you introduce something like CMS Garbage collector , Create from an object , Is memory allocated to the whole process of garbage collection ?

⑨ Let's talk about the strategy model , How to use ? What problems can it solve ? From the coding field, system designers , Let's talk about how we can implement a strategy pattern ?

 Ten thousand words long text easy and thorough introduction spring,2021 The latest Tencent Java Interview sharing _ The programmer

Learning Guide ( Layer programmers according to development experience )

0~1 year ( To move the brick ):

  • Java Basics ( Basic grammar 、 object-oriented 、 Inherit 、 polymorphic 、 Interfaces and abstract classes 、 abnormal 、 Inner class 、 aggregate 、 Generic 、 Reflection 、I/O etc. )
  • Web Programming (Servlet+MySQL database + Practical operation of commodity management system )
  • SSM From the beginning of framework to mastery (Spring+SpringMVC+Mybatis+SSM Practical operation of commodity management system )
  • SpringBoot(SpringBoot+SpringBoot Practical operation of commodity management system )

1~3 year ( The mechanic ):

  • JVM Advanced depth (JVM Memory area +JVM Run time memory + Garbage collection and algorithm +JAVA Four types of references +GC Generational collection algorithm VS Partition collection algorithm +GC Garbage collector, etc )
  • Advanced concurrent programming ( The underlying implementation principle of concurrency mechanism + Memory model + The basis of concurrent programming + lock + Container and concurrency + Atomic class operations + Concurrent tool class + Thread pool + actual combat )
  • MySQL Advanced depth (Mysq| Storage engine selection and precautions + Reading Mysq| Shared lock and exclusive lock of + Partition + Transaction isolation level + Indexes +Sql Optimize )
  • Data structure and algorithm (Java Programmer interview must ask )

3~5 year ( contractor ):

  • Distributed message middleware (Zookpeer+Kafka+MQ+dubbo+SpringCloud etc. )
  • database ( Master slave copy + Read / write separation + Sub database and sub table )
  • Efficient storage (Redis+MongoDB)

5 In the above ( The designer ):

  • Distributed extension to microservices (SpringBoot+SpringCloudAlibaba+Docker)
  • SSM Framework source code interpretation (Spring Advanced source code +SpringMVC Source code +Mybatis Source code )

10 In the above ( Delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery delivery ):

I'm hungry , Start delivering takeout ( To make fun of )

 Ten thousand words long text easy and thorough introduction spring,2021 The latest Tencent Java Interview sharing _Java_02

 Ten thousand words long text easy and thorough introduction spring,2021 The latest Tencent Java Interview sharing _Java_03

 Ten thousand words long text easy and thorough introduction spring,2021 The latest Tencent Java Interview sharing _Java_04

 Ten thousand words long text easy and thorough introduction spring,2021 The latest Tencent Java Interview sharing _ The programmer _05

 Ten thousand words long text easy and thorough introduction spring,2021 The latest Tencent Java Interview sharing _Java_06

 Ten thousand words long text easy and thorough introduction spring,2021 The latest Tencent Java Interview sharing _Java_07

 Ten thousand words long text easy and thorough introduction spring,2021 The latest Tencent Java Interview sharing _ The programmer _08

 Ten thousand words long text easy and thorough introduction spring,2021 The latest Tencent Java Interview sharing _ The backend development _09

Last

Look at the perfect group 、 byte 、 The interview questions of Tencent , Do you feel like asking too much , Maybe we have to start the interview again 、 Work screw mode to prepare for the next interview .

It was mentioned at the beginning, but I learned it by heart 1000 questions , It's more or less useful , I see , Most of the above questions can be found in the questions I recite , So today I'd like to share with you A necessary interview for an Internet Engineer 1000 topic .

Pay attention to whether I'm talking about Internet interviews 1000 topic , Or the algorithms and data structures mentioned later 、 Design patterns and more Java Study notes, etc , You can share it with your friends

 Ten thousand words long text easy and thorough introduction spring,2021 The latest Tencent Java Interview sharing _ The programmer _10

A necessary interview for an Internet Engineer 1000 topic

And from the top three , Algorithms and data structures are essential ah , So I suggest you go to Brush this book written by big brother Zuo Chengyun 《 Programmer code interview guide IT Famous enterprise algorithm and optimal solution of data structure problem 》, It's near inside 200 A real classic code interview question .

 Ten thousand words long text easy and thorough introduction spring,2021 The latest Tencent Java Interview sharing _Java_11

This article has been  CODING Open source project :【 A big factory Java Analysis of interview questions + Core summary learning notes + The latest explanation video + Actual project source code 】 Included

版权声明
本文为[SDK integrated development]所创,转载请带上原文链接,感谢
https://cdmana.com/2021/10/20211002011430055m.html

Scroll to Top