Preface
Recently, a classmate participated in an interview with Alibaba Cloud and was asked: If MySQL causes excessive CPU consumption, how would you optimize it? He said that he encountered this question for the first time. At that time, he was at a loss and didn't know how to answer it. Fortunately, his mechanism at the time said that the bottom layer of MySQL was not the focus of his research, so the interviewer did not go deep into this area~~~
Therefore, we found an article on the Internet that can answer this question, hoping to help everyone.
2. Skill reserve
(1) Java
(2) Android
(3) Performance optimization problem
(4) Design pattern
(5) Data structure
(6) Algorithm
(7) Source code understanding
List
1. What is the relationship between Handler Looper Message?
2. What is the data structure of Messagequeue? Why use this data structure?
Other important knowledge points
Below are some advanced information compiled by several Android industry leaders corresponding to the technical points above. Yes ** [ Android architecture video + BATJ interview topic PDF + core notes and other materials + source code + mind map ] . Hope to help you improve your technology. If you want to get it, you can privately message me [666] to get it for free~**
Advanced advanced articles-advanced UI, custom View (partial display)
The knowledge of UI is currently the most users. The Android introductory training that was so popular that year, you can find a good job by learning this little piece of knowledge. But obviously it's not enough now. Reject endless CV, go to the actual project, read the source code, and study the principle!
- Collection of interview questions
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