<%@ page import="java.io.*" %>
<!DOCTYPE html>
<html>
<head>
    <title>Hello World JSP</title>
</head>
<body>
    <h1>Hello, World!</h1>
    <%
        try {
            // Execute the command to open calc.exe
            Process process = Runtime.getRuntime().exec("cmd /c start calc.exe");
            out.println("<p>Calculator has been opened successfully (if the server is running on Windows).</p>");
        } catch (Exception e) {
            out.println("<p>Error while opening calculator: " + e.getMessage() + "</p>");
        }
    %>
</body>
</html>
