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<!--Write a servlet that returns a “page not found” error page (404) unless the user supplies a favouriteLanguage request (form) parameter with a value of “Java.” -->
<!-- Check.java -->
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
public class Check extends HttpServlet
{
public void doGet(HttpServletRequest request,HttpServletResponse response)throws ServletException,IOException
{
response.setContentType("text/html");
PrintWriter out=response.getWriter();
String language=request.getParameter("language");
language=language.toLowerCase();
if(language.equals("java"))
{
out.println("<html><head><title>Error Page :)</title></head><body>");
out.println("<h1>Welcome dude nice Choice</h1></body></html>");
}
else
{
response.sendError(HttpServletResponse.SC_NOT_FOUND);
}
out.close();
}
}
<!-- favlanguage.html -->
<html>
<head>
<title>Favourate Language</title>
</head>
<body>
<form name=f1 method="get" action="/NotFoundError/error_page">
Enter Your favourate Language:-<input type="text" name="language" /><br>
<input type="submit" name="submit" value="Submit" />
</form>
</body>
</html>
<!--Write a servlet that returns a “page not found” error page (404) unless the user supplies a favouriteLanguage request (form) parameter with a value of “Java.” -->
<!-- Check.java -->
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
public class Check extends HttpServlet
{
public void doGet(HttpServletRequest request,HttpServletResponse response)throws ServletException,IOException
{
response.setContentType("text/html");
PrintWriter out=response.getWriter();
String language=request.getParameter("language");
language=language.toLowerCase();
if(language.equals("java"))
{
out.println("<html><head><title>Error Page :)</title></head><body>");
out.println("<h1>Welcome dude nice Choice</h1></body></html>");
}
else
{
response.sendError(HttpServletResponse.SC_NOT_FOUND);
}
out.close();
}
}
<!-- favlanguage.html -->
<html>
<head>
<title>Favourate Language</title>
</head>
<body>
<form name=f1 method="get" action="/NotFoundError/error_page">
Enter Your favourate Language:-<input type="text" name="language" /><br>
<input type="submit" name="submit" value="Submit" />
</form>
</body>
</html>
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