SystemWebTech Online: How to create First Servlet

First Servlet File under Class by extension FirstServlet.java

import javax.servlet.*;

import javax.servlet.http.*;

import java.io.*;

import java.util.*

public class FirstServlet extends HttpServlet{

public void doGet(HttpServletRequest req,HttpServletResponse res) throws ServletException , IOException{

res.setContentType("text/html");

PrintWriter out = res.getWriter();

out.println("<html>");

out.println("<head>");

out.println("<title>");

out.println("</title>");

out.println("</head>");

out.println("<body>");

out.println("</body>");

out.println("<h3>Welcome to First Servlet</h3>");

out.println("Time : "+(new Date()).toLocaleString());

out.println("</html>");

}

After Completing coding,Compile the Server

Drag and Drop the Source of folder at cmd

class path but we need to add library

Need library "servlet-api.jar"

api library

Copy lib path

Two Paths Below:-

Add more infront of path servlet-api.jar FirstServlet.java

cls in 2nd path

we got file class from compilation

Create web.xml

Write code in web.xml

<web-app>

<servlet-name>example</servlet-name>

<servlet-class>FirstServlet</servlet-class></servlet>

<servlet-mapping>

<servlet-name>example</servlet-name>

<url-pattern>/myfirstservlet</url-pattern>

</servlet-mapping>

</web-app>

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