📄 displayservlet.java
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package com.wrox.servlets;
import java.io.*;
import java.util.Enumeration;
import javax.servlet.*;
import javax.servlet.http.*;
public class DisplayServlet extends HttpServlet
{
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException
{
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<html><head><title>");
out.println("Servlet Example");
out.println("</title></head><body>");
out.println("Query String being processed: <br>");
out.println(request.getQueryString());
out.println("<p>");
out.println("Request Parameters:<p>");
Enumeration enumParam = request.getParameterNames();
while (enumParam.hasMoreElements())
{
String paramName = (String) enumParam.nextElement();
String paramValues[] = request.getParameterValues(paramName);
if (paramValues != null)
{
for (int i = 0; i < paramValues.length; i++)
{
out.print(paramName);
out.print(" (" + i + "): ");
out.print(paramValues[i]);
out.println("<br>");
}
}
}
out.println("</body></html>");
out.close();
}
}
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