No, but it is generally a good idea, since being a university student costs quite a bit of money, and the amount of hours you can work while attending school is limited.
No, it's not compulsory nor required
no
Not at all
No, you don't need to
no
no
No. I'm curious that you would use words like compulsory and yet not know the answer to that question. It's possible that some particular private universities might require this of their students, but in general, no, it's not compulsory.
No, of course not
The answer is no because summer is a break, not a station
depends on your bank balance? although internships give a good indicator of whether a type of career is good for you.
No
no