You get what you put into it, but there is a floor to that. If you don't put in everything that you have to better yourself in programming languages, you will be very overwhelmed. If you know what they are talking about the first week, don't slack off, look into future topics and study because week 1 is slow and from there it rockets off.
Also they pay for full time and no overtime, expect to study in your "off time", a lot. This isn't for people who don't believe in working without pay, but to be fair, they are paying you to study, and studying without pay is still benefiting your the end