The most complete 2022 Android interview questions in history

Preface

Golden nine silver ten , It's the annual Golden job hopping season , There must be a lot Android Programmers began to rub their hands , Ready to move . Most of the interview questions on the Internet have become outdated and even piled up with mistakes , porous , Today, I will combine my interview experience and several Android This article is summarized by the exchanges between big manufacturers and big cattle in the Technology Group 2022 The latest 《Android A collection of interview questions 》. that , I don't say much nonsense , Let's get to the point at once .

The first thing to say is ： The purpose of the interview questions is not to let everyone recite the questions , But to help you review from different dimensions , Learn from others' strong points and close the gap . Let's get down to business ：

Chapter one Java Basics

• Comparison between static inner class and non static inner class
• Understanding and application of polymorphism
• java Understanding the polymorphism of methods
• java The difference between interface and inheritance in
• Benefits of thread pools , Detailed explanation , Single case （ It's definitely easy to remember ）
• Advantages and principles of thread pool
• Advantages of thread pool （ a key ）
• Why not recommend to pass Executors Create thread pool directly
• Not afraid of difficulties BlockingQueue And its implementation
• In depth understanding of ReentrantLock And Condition
• Java Multithreading ： Communication between threads Lock
• Synchronized How keywords work
• ReentrantLock principle
• HashMap Medium Hash Conflict resolution and capacity expansion mechanism
• JVM Frequently asked questions
• JVM Memory structure
• Class loading mechanism / Parents entrust

Chapter two Android Basics

• Activity Knowledge point ( Must ask )
• Fragment Knowledge point
• Service Knowledge point
• Intent Knowledge point

The third chapter UI Control section

• Screen adaptation
• Main control optimization
• Event distribution and nested scrolling
• Dynamic page construction scheme

Chapter four Network communication

• Network protocol

The fifth chapter Architecture design

• MVP Architecture design
• Component architecture

Chapter six Performance optimization

• Startup optimization
• Memory optimization
• Painting optimization
• Package optimization

Chapter vii. Source code flow chapter

• Open source library source analysis
• Glide Source code analysis
• Android Interview questions ：Glide
• day 20 Interview questions ：Glide Interview questions
• Talk about Glide Those things in the interview
• interviewer ： If the resume says Glide, Please pay attention to the following points …
• OkHttp Source code analysis
• okhttp Connection pool reuse mechanism
• okhttp Implementation of process and optimization
• An article for your benefit okhttp analysis
• OkHttp Interview –OkHttp The whole asynchronous request process
• OkHttp Interview –HttpEngine Medium sendRequest Methods,
• OkHttp Analysis summary
• Okhttp How task queues work
• Android High frequency interview topics - Architecture （ Two ）okhttp An interview must know and know
• Android network optimization , Use HTTPDNS Optimize DNS, From principle to OkHttp Integrate
• Retrofit Source code analysis
• RxJava Source code analysis

Chapter viii. New technology

• Practical problems

Chapter nine Interview

• Open source documentation
• Interview literature

The space for , Only part of the content is shown in the form of screenshots

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Full set of video materials ：

One 、 Interview collection

Two 、 Source code analysis collection

3、 ... and 、 Open source framework collection
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Last

The above content is a little bit more, I hope it can be helpful to you , If you have other opinions, you can also contact me , thank you .