What is Servlet?

This article mainly introduces what Servlet is, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let the editor take you to understand it.

Servlet (Server Applet) is the abbreviation of Java Servlet, which is called mini-service program or service connector. The main function of server-side program written in Java is to browse and modify data interactively to generate dynamic Web content.

In a narrow sense, Servlet refers to an interface implemented by Java language, and in a broad sense, Servlet refers to any class that implements this Servlet interface. Generally speaking, Servlet is understood as the latter. Servlet runs in an application server that supports Java. In principle, Servlet can respond to any type of request, but in most cases Servlet is only used to extend Web servers based on the HTTP protocol.

JavaSoft's Java Web Server was the first to support the Servlet standard, and since then, some other Java-based Web servers have begun to support standard Servlet.

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