Not at all, you really don't need to
No, it's not really needed for university students to do so
Many need to work to help pay for attending college/university and for expenses.
No, it's not mandatory for university students to have a summer job.
No, it's not necessary for all students to find summer jobs
no
no
No, it's not
no
Mostly to save some money and pay off their financial debts after graduation..
No
No
No.