import java.servlet.*;
import java.servlet.http.*;
import java.io.*;
public class HelloNameServlet extends HttpServlet {
public void service(ServletRequest request, ServletResponse response) {
service((HttpServletRequest) request, (HttpServletResponse) response);
}
public void service(HttpServletRequest request, HttpServletResponse response) {
String msg = "<HTML><BODY>";
String name = request.getParameter("firstname");
if (name != null) {
msg += "Hello " + name;
}
else {
msg += "Hello whoever you are.";
}
msg += "</BODY></HTML>";
response.setContentLength(msg.length());
response.setContentType("text/html");
try {
PrintStream rs = new PrintStream(response.getOutputStream());
rs.print(msg);
}
catch (IOException e) {
}
}
}
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