Programmers whose monthly salary is less than 30K must recite the interview stereotype. I'll eat it first

Recently, more and more people feel that the interview is difficult , On the one hand, the market environment , The more important aspect is that the enterprise is responsible for Android The demand for talents is getting higher and higher .


Basically, there are two kinds of people with such feelings , First of all , Although it hangs 3、5 Years of experience , But there is little in my stomach , There's nothing that can be done , I am not aware of the problem ; second , Have their own technical pursuit , But it's not hot enough , Practice more and absorb more knowledge , It's not a problem to temper .

take For myself , A few years ago, my heart was higher than heaven , I think I'm great , The result is often a false interview , Most people have gone through a period of ignorance .

I've seen a lot later , Take the initiative to learn more from the boss , Salary Can relatively smoothly rise with the accumulation of experience .

The interview questions shared in the private circle before , Feedback was pretty good , Today, I will share a wave of .

2022 Real interview questions of the big factory in

Scan the code for free

A collection of real interview questions by Ali

Java Basic questions ：

• An object creation process

• Explain it. java Memory model

• List various List,Set,Map,Queue And tell us their similarities and differences

• The condition of deadlock
  

Android Interview questions ：

• Android Event distribution mechanism , Please describe the whole process in detail

• Android view Drawing mechanism and loading process , Please describe the whole process in detail

• Handler、Loop Message queuing model , The function of each part

• What are the categories of animation , What are the characteristics of each

• TCP Why three handshakes are not two , Why two handshakes are not safe

• Socket and Http The difference between

• OkHttp What design patterns are used in the framework

• Retrofit Workflow ？

Tencent interview questions collection

Java part ：

• Java What are the states of a thread , What locks are there , The difference between locks
• Difference between process and thread
• The difference between static agent and dynamic agent , What scenarios to use
• Tell me about your right Java Reflexive understanding
• HashMap and HashTable as well as CurrentHashMap The difference between
  

Framework relevant （ Must ask ）：

• Android What is the system startup process
• ActivityThread working principle
• AMS How to manage Activity Of
• WMS How to manage Window Of
• Android uses an automatic garbage collection mechanism , Please talk about the principle of Android memory management
  

Collection of real questions of meituan interview

• Activity The way of communication between
• Two Activity Which methods will be executed when jumping between
• Activity Comparison of four startup modes of
• about View The state of , How to achieve automatic recovery
• How to optimize customization View, What's your general direction of optimization
• Low version SDK How to implement higher version api
• Customize View How to consider model adaptation
• On Multithreading in Android The use of

• In event distribution onTouch and onTouchEvent What's the difference? , How to use
• View and ViewGroup There are callback methods related to event distribution
• What is the solution to avoid OOM
• How to prevent thread memory leakage

Collection of real questions of meituan interview

• Activity The way of communication between
• Two Activity Which methods will be executed when jumping between
• Activity Comparison of four startup modes of
• about View The state of , How to achieve automatic recovery
• How to optimize customization View, What's your general direction of optimization
• Low version SDK How to implement higher version api
• Customize View How to consider model adaptation
• On Multithreading in Android The use of

• In event distribution onTouch and onTouchEvent What's the difference? , How to use
• View and ViewGroup There are callback methods related to event distribution
• What is the solution to avoid OOM
• How to prevent thread memory leakage
  

Interview questions

• Under the said Linux Difference between process and thread
• How does performance stability work
• Kotlin characteristic , and Java What's different from
• What is a journey
• What are the advantages of implementing singleton mode through static inner classes
• What kinds of work queues do thread pools have
• If something unusual happens , How to stop loss quickly
• App Start speed optimization
• Is there a good way to solve the slow start caused by version iteration

And the latest Android Advanced technology learning notes , It can be said that it covers the present Android Develop cutting-edge technology . Small partners who need detailed documents , You can click on the card at the end of the article to get it for free .

Because it contains enough content , therefore , This note can not only be used as learning materials , It can also be used as a reference book .

If you need to know something , Whether it's Shift+F Search for , Or search by Directory , Can use the fastest speed to find the content you want .

Compared with the fragmented content we usually watch , The knowledge points of this note are more systematic , Easier to understand and remember , It is arranged in strict accordance with the whole knowledge system .

（ One ） An architect must have Java Basics

1、 In depth understanding of Java Generic

2、 The notes are simple

3、 Concurrent programming

4、 Data transmission and serialization

5、Java Principle of virtual machine

6、 Efficient IO

……

（ Two ） The design idea interprets the open source framework

1、 Thermal repair design

2、 Plug in framework design

3、 Component frame design

4、 Image loading framework

5、 Network access framework design

6、RXJava Responsive programming framework design

……

（ 3、 ... and ）360° All round performance optimization

1、 Design ideas and code quality optimization

2、 Program performance optimization

• Start up speed and execution efficiency optimization
• Layout detection and optimization
• Memory optimization
• Power consumption optimization
• Network transmission and data storage optimization
• APK Size optimization

3、 Development efficiency optimization

• Distributed version control system Git
• Build systems automatically Gradle

……

（ Four ）Android Framework architecture

1、 senior UI promotion

2、Android Kernel components

3、 It's necessary for large projects IPC

4、 Data persistence and serialization

5、Framework Kernel parsing

……

（ 5、 ... and ）NDK Module development

1、NDK Development of C/C++ introduction

2、JNI Module development

3、Linux Programming

4、 Bottom image processing

5、 Audio and video development

6、 machine learning

……

（ 6、 ... and ）Flutter Learn advanced

1、Flutter Overview of cross platform development

2、Windows in Flutter Development environment construction

3、 Write your first Flutter APP

4、Flutter Dart Introduction to language system

……

（ 7、 ... and ） Wechat applet development

1、 Small program overview and introduction

2、 Applet UI Development

3、API operation

4、 Shopping mall project actual combat

……

（ 8、 ... and ）kotlin From entry to mastery

1、 Get ready to start

2、 Basics

3、 Classes and objects

4、 Functions and lambda expression

5、 other

……

Welcome to one click three company support , If necessary, the information in the document , Click directly at the end of the text CSDN Official certified wechat cards are available free of charge 【 Guarantee 100% free 】↓↓↓