What is the recruitment situation of Java development jobs in first-tier cities this year?

If you miss the opportunity of school recruitment and can only recruit for the community, it will undoubtedly be an instant promotion from "easy mode" to "difficult mode". Not only do you need to have all the skills needed for school recruitment programming, but you also need more practical experience in commercial projects. This is really like the difficulty of choosing a game. It's the same formula and familiar taste, but you only need better operation and fewer mistakes to pass the test.

This requires that you must be an "experienced person" in order to get through the excellent model, which is the "three-year work experience" usually required by social recruitment. Nobody started hard mode customs clearance, did they? Unless it is a brain-dead game and Java is not brain-dead, what should I do? To put it bluntly, you need more business project experience than school recruitment.

Paying attention to the experience of commercial projects refers to the real project experience. These projects can be deployed online, rather than the kind of learning projects that recent graduates use for graduation design. How can we get real practical experience in commercial projects? It is nothing more than a crazy internship in the early stage, looking for opportunities to participate in real projects and lighting up the Java skill tree as much as possible.

The questions asked by social recruitment interviewers are not as "naive" as when recruiting students. The question will involve all aspects of the daily development work of technology stack, and the interviewer should make all preparations.

What source code analysis, JVM bottom-level tuning, Nginx performance tuning, algorithm deepening, LeetCode intermediate problem, distributed deployment mode, micro-service design idea, middleware such as Redis \ Member Cache \ Rocket MQ \ Kafka \ Elastic Search, Dubbo high availability, RPC framework Netty serialization, service governance, etc.

The requirements of social recruitment are rising every year, so you probably need to read these books: Thinking in java, Effective java, Deep Understanding of java Virtual Machine, java Multithreading, Java Concurrent Programming, springmvc, dubbo, netty, High Performance MySql, Redis and Deep Understanding of Nginx.