The first question: I use my personal experience to answer your question without any official introduction. Bottom line: I have been studying for four years, and I have not been disappointed. my humble opinion

The second question: majors can be changed, and the student handbook also says that students are allowed to apply for changing majors in principle. Generally, after freshman year, the semester ends. Of course, there are many factors in it, so I won't elaborate on this. The answer to this question is yes. Yes ~