(Master the core architecture course. The first-line large factory engineers lead the students to overview the design patterns, and then enter the core spring source code level analysis course. The course also includes the explanation of creating patterns, the introduction of structural patterns, the introduction of behavior patterns and the overall process of spring framework. At the same time, it is valuable that there is no separate spring source code analysis, but comes with web source code analysis, Tomcat source code analysis and the operation principle of mybatis.)