You can get a good idea of this if you take a look at a timetable and read about the courses for your programme in the study guide.
Timetable
Do you want to know how many hours of lectures you will have every week? You can find out at timetable.vu.nl. In July, the timetable for the first semester will be available online. In December, the timetable for the second semester will be available online. However, you can also look at the previous year to get a general idea.
Study guide
Are you curious about the courses you will be taking? Do you want to know what they are about, what literature you will cover or how you will be assessed? Then, take a look at the online study guide for your degree programme. The study guide for the upcoming academic year will be available online in July.