One side: 10.16 (25min)
- Introduce a relatively familiar project, talk about a problem encountered and how to solve it, and then conduct an in-depth discussion based on my problem, including pointing out some irrationality in my original solution, and guiding me to come up with new solutions. It lasted about 15min
- What factors need to be considered when designing a thread pool
- Task execution flow of thread pool
Final surface (including the second round of technical surface + HR surface): 10.18 (40min)
The final interview was conducted by the technical director and HR together. The technical officer asked about 30 minutes, and HR asked about 10 minutes.
The second side is more about the source code and some low-level things. Many issues are discussed around the source code and the underlying principles.
- Have you learned about the source code of some frameworks? For example
- The underlying implementation of AOP is a dynamic proxy, so what is the underlying implementation of dynamic proxy?
- Can reflection obtain private variables of a class, and how does reflection destroy the singleton pattern of a class?
- What better methods do you have for learning source code?
- What do you think is what you gain from learning the source code? Do you really use some of the essence of the source code?
- What does the @Transactional annotation do at the bottom?
- A private method is annotated with @Transactional, will the transaction affect this private method?
- Introduce a function you did during the internship, and talk about what you learned?
- As a developer, technology is very important. What else do you think is more important at work? (communication)
- For back-end development, what is a technical system you have learned, and how do you view the depth and breadth?
Rather: ①The technology stack used by the company's backstage development? ②Is the front and rear ends separated? ③ Newcomer training system
HR talk about life in person~
- What are your hobbies?
- During the internship, did you encounter any difficulties and how to solve them?
- Have you heard about our company?
- Do you have a girlfriend? Which professional is your girlfriend?
- Do you have any ideas about working here in Shenzhen?
- ……