First use the Scanner class to get the input number from the console
Use switch (number). . case for logical judgment
The parameters in switch are operated as follows:
int n=number/10000000//
Then switch(n){
case 1: System.out.println (the student with student number: 13032102 is a student of the School of Electronic Engineering); break;
case 2:.
.
.
deafual 0: System.out.println (the entered student ID does not exist);
}