What is the difference between servlet and jsp? [duplicate]

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What is the difference between JSF, Servlet and JSP开发者_如何转开发?

JSP Servlet and Web Programming

When it comes to the open-source Java Platform, Enterprise Edition (Java EE) application server, how would you characterize the difference between:

• JSP
• Servlet

While both are able to generate dynamic Web content, I am unsure about how they differ and/or how on pertain to the other.

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JSP is Java Servlet Pages and usually used in rendering HTML/XHTML pages. To me, it's a PHP clone. JSPes will be translated and compiled to Servlet classes eventually.

Servlet on the other hand is a class conforming to the Servlet API, to process HTTP requests, such as GET, POST, etc.

You can read more about Servlet API and its documentation here.

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I suggest you to read this DevX article discussing Servlet and JSP. If you want to know still some more... Go for this and this Wiki