The second stage: Java Web:Web:Web: the foundation and framework of web front-end development, the application of Servlet and JSP in web back-end, the related topics of web back-end development, MVC and layered architecture, project development process, the use and development core framework of CASE tools.
The third stage: integrated framework development (SSH/SSS), RESTful architecture and mobile interface design, third-party interface and online payment function, practical application of website security and Spring security.
The fourth stage: advanced Java knowledge such as Java cloud computing (some schools have some or none). The above is just a brief introduction, and there are too many details to type. Leave a message for private chat.