This blog will help you to create demo servlet program and also explain the steps to create it.
Step 1: First create one HTML File and add following code
<html>
<head>
<title>Introductions</title>
</head>
<body>
<form action="FirstServlet" method="GET">
If you don't mind me asking, what is your name?
<input name="name" type="TEXT" /><p>
<input type="SUBMIT" />
</p></form>
</body>
</html>
Step 2: Now create one servlet file as FirstServlet and add following code
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class FirstServlet extends HttpServlet {
public void doGet(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
res.setContentType("text/html");
PrintWriter out = res.getWriter();
String name = req.getParameter("name");
out.println("<HTML>");
out.println("<HEAD><TITLE>Hello, " + name + "</TITLE></HEAD>");
out.println("<BODY>");
out.println("Hello, " + name);
out.println("</BODY></HTML>");
}
public String getServletInfo()
{
return "A servlet that knows the name of the person to whom it's" +
"saying hello";
}
}
Step 3: Now go to html and run the file.
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