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catalogue preface Spring Boot version What is a filter? Implementation principle of Filter How to customize a Filter? How does Spring Boot configure a Filter? Use @ Bean injection in the configuration class [recommended] Use @ WebFilter Take a chestnut summary preface The previous article introduced how to configure interceptors ...

Java source code reading notes - stream Why learn stream In Java programming, ArrayList is estimated to be one of the most commonly used classes, which is used as an array in daily life. For array operations, traversal, data filtering, data modification and other operations will be involved. The simplest of these operations is for loop traver ...

JavaWeb (medium) Cookie s and sessions 1. Conversation Session: users open a browser, click many hyperlinks, access multiple web resources, and close the browser. This process can be called session; Stateful conversation: when a classmate comes to the classroom next time, we will know that the classmate has been here, which is called st ...