protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
      
        
        
        out.println("<html>");
        out.println("<head>");
        out.println("<title>Servlet essai</title>");
   
        out.println("</head>");
        out.println("<body>");  
        
        float C=0; 
        
        
out.println("<script language=\"javascript\"> !C=prompt(\"hauteur :\" , \"\")</script>");
        
        out.println(C);
        
        out.println("</body>");
        out.println("</html>");
			
		
 
	
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