Japanese test level
The self-taught undergraduate course will not exceed Japanese level 3, generally at level 4, which is not difficult, because the level of Japanese as a second language at the time of postgraduate entrance examination is level 3.
learning method
You only need to learn Japanese books one and two, and Japanese books one and two. If you train and coach in it, you only need to reach CET-4. If you want to take the postgraduate entrance examination, you'd better learn to the third level!
Graduated from Japanese major
Undergraduate Japanese majors generally passed the level of N 1, and even after reading volumes one and two of Japanese, they are still at the level of N2.
Postgraduate Japanese major
If you take the postgraduate entrance examination for Japanese major, it will be difficult for those who have passed N 1. If you are a graduate student of other majors, it should be N2 if you take the foreign language test in Japanese instead of English.