Briefly describe what servlet is

Servlet is the abbreviation of Java Servlet, which is called a small service program or service connector. It is a server-side program written in Java and has the characteristics of being independent of platform and protocol. It is a Java class.

I wonder if you have ever heard of servlets? It is a concept in Java. Below I will briefly explain to you, what is a servlet?

Servlet is the abbreviation of Java Servlet. It is called a small service program or service connector. It is a server-side program written in Java and has the characteristics of being independent of platform and protocol. A Java class.

The main function of servlets in JavaWeb is to carry network connections and business logic processing, such as conversion of some encoding formats, login interception, etc.

In the narrow sense, Servlet refers to an interface implemented by the Java language. In the broad sense, Servlet refers to any class that implements this Servlet interface. Generally, people understand Servlet as the latter. Servlets run in Java-enabled application servers. In principle, Servlets can respond to any type of request, but in most cases Servlets are only used to extend Web servers based on the HTTP protocol.

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