German majors in general universities do not study advanced mathematics.
Courses generally include: similar names.
Basic German, listening German, German reading, newspaper reading, German literature, German history, German survey, German communication, spoken German, German writing, language structure, German translation, current political German, economic German, legal German, trade German, scientific German, mechanical German and so on. The courses offered by each school are basically the same, and others are characteristic courses of each school. Even similar languages can be opened and can be opened.
Go to the bookstore and have a look. There are many textbooks, and you will know what courses to offer. Many schools have timetables, clear as day!