Java EE online number management system

• Java

This blog is a summary of filter, listener and servlet technologies. It realizes the functions of simply displaying the number of online people, details of online people and kicking by administrators

Here is the detailed code

web. xml

index. jsp

/jsps/show. jsp

User. Java (value object)

MySessionListener. Java (listener)

CharacterFilter. Java (character filter)

LoginFilter. Java (prevent tourists from accessing the filter)

LoginServlet. java

ShowServlet. java

KickOutServlet. java

LoginOutServlet. java

The above is the whole content of this article. I hope it will be helpful to your study, and I hope you can support programming tips.

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