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What's the difference between struts2 and servlet?


Asked by Madalynn Short on Dec 12, 2021 Servlet



The reason is Struts2 Action objects are instantiated for each request, while an Action in Struts framework has only one instance to handle all requests for that Action. Unlike the Actions in Struts framework, Struts2 Actions are not dependent on the Servlet API.
Moreover,
Struts are referred to like the open source framework for developing the Java-based web applications. It extends Java Servlet API and employs MVC architecture. It enables you to create extensible, maintainable and flexible web-based applications on standard technologies like JSP pages, JavaBeans and XML.
Accordingly, Unlike the Actions in Struts framework, Struts2 Actions are not dependent on the Servlet API. Testability of Struts2 framework is comparatively higher than Struts framework. You can test Struts2 Actions simply following the three steps: instantiation, setting properties and invocation of methods.
Likewise,
Spring MVC provides the tags for basic HTML form tags but struts provide many other JSF styled complex and composite tags. Spring framework has been used because of advantages like transaction management, support for messaging, support of integration with other frameworks.
In this manner,
Struts 2 is an action-based presentation framework, the version 2 of the above (created from a merge of WebWork with Struts). Hibernate is an object-relational mapping tool, a persistence framework.