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How does a Struts2 action compare to a servlet?

How do Struts2 actions compare to servlets? Can an action act like a servlet?

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The Struts action (Struts1 / Struts classic) is more bound to the servlet. In Struts2, it's completely different. The Struts2 action is just a POJO (simple Java class), completely separate from the Servlet API. This decoupling makes testing easier.

In a typical Struts2 web application workflow, an action will be created for each request and will be associated with a servlet (it can implement an interface ServletAwareif it needs to know about this association, usually this is not necessary and is not recommended).

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Struts2 - MVC, Java EE.

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Source: https://habr.com/ru/post/1755560/

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