BankingSince cash is still frequently used in Germany, credit cards (Mastercard, Visa etc.,) are not accepted everywhere. You should always check before you order your meal etc., and make sure that you have sufficient cash with you.
All visiting exchange students need a bank account because rent for a dormitory room can only be paid for by standing order (ie. it is directly debited from your account each month). The Office of International Affairs can assist you in choosing a suitable bank. Tips can also be found in the Welcome Guide which can be obtained at the Office of International Affairs.