* count of correct and wrong answer is kept in session.
* If user gives Wrong answer of any problem, next problem is of lower difficulty (randomly selected from set of problems of lower difficulty)
* If user gives correct answer, next problem is of higher difficulty (randomly selected)
* Timer is set using Javascript on frontend to automatically submit after fixed time.
* when user completes fixed number of questins, he/she is redirected to results page where his/her result is displayed (currently number of successful and wrong answers).
* No work for styling is done.
- Added Collecting POST Data ( send post request to 'localhost:8080/login/' with 'username', and 'backlink' )
- user will be redirected to 'backlink' after displaying the result (once the test is over)
- Each Quiz detail is saved on backend (date, name of user, correct, wrong)
- Redirecting using backlink with json data (still trying to figure out)