This column focuses on sharing the knowledge of large-scale Bat interviews, and will continue to be updated in the future. If you like it, please click a follow
Interviewer: What is audio and video, and why video needs to be compressed
Psychological analysis : Many people's concept of audio and video rests on Mr. Cang's short film, and they can only understand that he is a video file. The interviewer examines whether there are any concepts related to the packaging format of the video file, the composition of the video file, and the development of audio and video
**Job applicants:** First, you need to explain from the composition of the video file, and slowly go deep into the video encoding
The question bank is very comprehensive including:
- Basic knowledge of Android: Basically cover all knowledge systems of Android, four major components, Fragment, WebView, event distribution, View drawing...
- Java basic knowledge & high-level knowledge points: the basic part is not discussed, the high-level part: generics, reflection, Java virtual machine...
- Algorithm and data structure: linked list, heap, stack, tree...
- Common Android frameworks: asynchronous, network, image loading, memory optimization, dependency injection, database and other frameworks
- Android cutting-edge technology: Android componentization, hot update, plug-in, message push, AOP aspect-oriented programming, Flutter (Google's mobile UI framework)...
- Source code analysis: Android source code analysis, start an app source code analysis, common framework source code analysis, Java source code analysis, collection source code analysis...
- Network basics: Five-layer network model, three handshake & four waves, request header & response header, Socket&WebSocket...
They are all sorted out personally, and look at the thumbnails.
PS: These topics are interviews with ByteDance and Tencent, Ali, Baidu, Xiaomi, LeTV, Meituan, 58, Cheetah, 360, Sina, Sohu and other first-line Internet companies. Questions asked in the interview. And most of them have sorted out the answers. Familiarity with these knowledge points will greatly increase the probability of passing the first two rounds of technical interviews.
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At last
The preferred method of introducting resumes is fast and efficient! Then you can look at it on the hook, boss, Maimai, and street. It is stated on the resume that if you are familiar with any technology, you must be familiar with it, otherwise it will not be very embarrassing to be asked! What project you have done, even if the project volume is not large, you must be familiar with the realization principle! It’s not the part you are responsible for. You can also see how your colleagues achieve it. What would you do if you do it for you? What has been done and what is the breadth question depends on the content of the project. But what has been done and what state has been reached is a matter of depth, which is related to personal learning ability and problem-solving attitude. Large companies look at depth, small companies look at breadth. You will be able to interview for large companies, and will you use what they interview for small companies, that is, job matching.
The interview process must be polite! Even if you feel that the interviewer does not respect you and often interrupts your explanation, or you feel that he is inferior to you and the questions asked lack professionalism, you must also respect him. Who told him to choose you now and wait for you to get the offer Then you choose him.
In addition, it must be slow to describe the problem! Don't talk about it all at once. It seems that you are calm and confident, and you still have time to react to your ideas on how to say better next. Nowadays, there are too many developments that rely on IDEs, so there will be a drawback. When we explain in an interview, it is easy to not know how to read a certain method. This is a flaw... So we must deal with the common key class names, method names, and key Read the words accurately, and some interviewers will be impatient and will say "Which one are you talking about?" At this time, we will easily get confused. Correct pronunciation + calm description + nice voice is definitely a plus!
The most important thing is mentality! Mentality! Mentality! Say important things three times! The interview time is very short, and it is still relatively unrealistic for the other party to find out your foundation within a short period of time. Therefore, sometimes it is also a time to look at the eye. This is still an era of looking at the face.
I hope everyone can find a job that suits them!
If you need the PDF version, you can pick it up on GitHub!
Advanced learning video
Attached: We collected 20 sets of real Android interview questions for first- and second-tier Internet companies (including BAT, Xiaomi, Huawei, Meituan, Didi) and my own Android review notes (including Android basic knowledge points and Android extensions). Knowledge points, Android source code analysis, summary of design patterns, Gradle knowledge points, summary of common algorithm questions.)
Analysis, summary of design patterns, Gradle knowledge points, summary of common algorithm questions. )
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