Recently, readers in the backstage said that they have been frantically submitting resumes recently. Two days ago, I managed to get around Ali and chatted with me. What questions did the interviewer make difficult for him?
The first few questions are okay. They asked some questions about the JVM, such as the main components of the JVM and their functions? What does the runtime data area contain? Basically, you can still hold it here, but as you go to the back, he asked what a complete GC process (from ygc to fgc) in jvm is like, focusing on how to promote objects to the old generation, etc.? The difference between g1 and cms, the choice of garbage collector for throughput priority and response priority? Tell me about your understanding of the environment variable classpath? If a class is not in the classpath, why is a ClassNotFoundException thrown, and how can the class be loaded correctly without changing the classpath? ...he said for a moment there was only a buzzing in his head
In fact, as far as my interview experience over the years is concerned, there are people who have many years of work experience but do not match their technical skills. If you can see on the resume that the technology used and the projects developed by the applicant in recent years are almost the same as those in the first few years, then it can be guessed that his technical growth space is a bit narrow in these years. Another realistic reason is that the work relies too much on CV Dafa, resulting in an unsolid code foundation. The realization of many simple tasks relies on Baidu, and the hands-on ability has not become stronger.
Regardless of whether it is automated testing, performance testing, or automated platform development, the core essence is within the basic scope, and the most important thing to do in technology is the research on basic principles. Everyone should be able to learn how to find their own problems and learn to solve them from the interview, and then go deep into the bottom layer and lay a solid foundation.
In busy work, some people may neglect their own technical growth, and lack the technical guidance of people with rich experience in automated testing, system performance tuning, and open source projects.
Sharing of experience and interview questions
It is well known that the market is not good this year. It is estimated that I will meet 18 people to recruit a person. I feel hopeless. It may be that my ability to resist pressure is relatively weak, because I encountered a lot of pitfalls. Fortunately, there was no impulsive resignation at that time. Keep going, the job search is still going on, if you are like me running around in various interviews, I wish you can find a satisfactory job.
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