The article is a summaryJavawebDevelopment of a practical guide, from the basic concept to the technology panorama, to a graphic analysis of javaweb's core components, in conjunction with the analogy of the restaurant snack systemServletI don't knowHttp protocolI don't knowTomcatAnd its interactive processes. The article details the http request methodology, status code, request/response key knowledge points and provides a phased approachLearning road map, emphasizes the importance of foundations. Through his personal pit-stamping experience, the author summarized the high-frequency test points for beginners and interviewers, which were practical in content and suitable for reference learning by developers at different stages。
