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Servlets and JSPs Performance
A servlet is a Java programming language class used to extend the capabilities of servers that host applications accessed via a client-server programming model. Although servlets can respond to any type of request, they are commonly used to extend the applications hosted by Web servers. For such applications, Java servlet technology defines HTTP-specific servlet classes. Servlets are usually used for the following tasks: Processing HTML forms; Interacting with databases; and dynamically generating HTML. Typically, servlets are available in a War, Ear, or Jar file. Standalone servlets also exist.
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