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java source code analysis - annotation AnnotatedElement interface summary When we explained the annotated runtime processor, we wrote this Code: //Get getPersonInfo Method through Class object Method method = clazz.getDeclaredMethod("getPersonInfo", null); System.out.println(method.getName()); //Get the annotation on the Method according to ...

2021SC@SDUSC introduction As an oj system, it can not judge the submission results of only one language, and it may even support all common language types. However, different languages require different compile and run commands. If the task of judging the language type is entrusted to the problem solver, we may need to modify the source co ...

SQL Execution of Mybatis Core Working Principles Learn the structure, working principle and main modules of Mybatis from a macro perspective, and learn the working principle and design idea of Mybatis from a micro perspective. 1. SQL Execution Let's look at the execution of Mybatis's SQL statement. List<User> list = mapper.selectUserL ...

preface Based on the previous chapter Handwritten spring Chapter 1 - Basic container construction , we have made a simple spring container to complete bean injection, but we still have many deficiencies in function and architecture design. requirement analysis In terms of framework design, we believe that the architecture must ensure th ...