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Add Cookie Servlet

import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.Cookie; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class AddCookieServlet extends HttpServlet {   public void doPost(HttpServletRequest request, HttpServletResponse response)       throws ServletException, IOException {     String data = request.getParameter("data");     Cookie cookie = new Cookie("MyCookie", data);     response.addCookie(cookie);     response.setContentType("text/html");     PrintWriter pw = response.getWriter();     pw.println("<B>MyCookie has been set to");     pw.println(data);     pw.close();   } }