You can register for the program by logging into the website and either:
Picking up a Java Learning subscription that is active for a year. You can take digital courses that showcase the latest information and keep you up to date with what you must learn for your examination.
Pick up an Unlimited Learning subscription for a year and gain access to digital training videos, hands-on labs, practice exams, and certifications.
OR
Purchase an Examination Voucher from Oracle (redeemable within six months)