I am thinking of taking the SCJP exam in the next month. Does anyone know how long is the Prometric voucher valid for? Secondly if you fail the exam can you retake the exam again with the same voucher or will you have to buy another voucher ?
1. You don't need vouchers anymore. Vouchers used to be valid one year. The date of validity is usually printed on it.
2. If you fail, you'll have to pay again. But sometimes there are free retake campaign.