Multiple choice technology programming languages

Which of the following aren't the methods for state/session management in the context of Servlets?

  1. Rewritten URLs

  2. Hidden Variables

  3. Using HttpSession Interface

  4. HTTP Redirects

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

URL rewriting, hidden form fields, and the HttpSession interface are standard mechanisms for maintaining state across HTTP requests in servlets. HTTP Redirect is a navigation response mechanism rather than a direct state management technique.