dev_tools
Interview in 2021, sort out common Java interview questions with answers for the beginning, middle and advanced levels of the whole network
This is part of the interview questions. For more information, see the WeChat applet "Java Selected Interview Questions", 3000+ interview questions. The content is continuously updated including basics, collections, concurrency, JVM, Spring, Spring MVC, Spring Boot, Spring Cloud, Dubbo, MySQL, Redis, MyBaits, Zookeeper, Linux, data structures and algorithms, project management tools, message queues, design patterns , Nginx, common BUG issues, network programming, etc. What are the characteristic