Computer Science, asked by IshuBisht45, 1 year ago

Write a web application using servlet to compute an area of a circle. get the radius from the client. write necessary web.xml file.

Answers

Answered by swagatbiswal

JSP Page:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><%@page

language="java" contentType="text/html; charset=ISO-8859-1"

pageEncoding="ISO-8859-1"%>

<html>

<head>

<title>index</title>

<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">

</head>

<body>

<form action="Process" method="get">

<input type="text" name="rad"/>

<input type="submit" value="Area” name="action"/>

</form>

<br/>

<hr/>

<p>The result is :<%=request.getAttribute("result") %></p>

</body>

</html>

Servlet Code:

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws

ServletException, IOException {

int op1=Integer.parseInt((String)request.getAttribute("rad"));

int result=3.14*rad*rad;

request.setAttribute("result", new Integer(result));

RequestDispatcher dispatcher=request.getRequestDispatcher("/index.jsp");

dispatcher.forward(request, response);

return;

}

AJT

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