Exercise 2:
a. valid
b. invalid, cannout ouput the struct nameType
c. valid
d. valid
e. valid
f. valid
g. invalid, cannot input to the struct nameType
h. valid
i. invalid, no dimension of the array 'classlist' specified
j. invalid, 'name' is not defined

Exercise 3:
a. invalid, needs newEmployee.name.first = "john" , newEmployee.name.last = "smith"
b. invalid, cannot output the struct nameType
c. valid
d. valid
e. invalid, no dimension of the array 'employees' specified

Exercise 4:
a. newEmployee.name.first = "Mickey";
   newEmployee.name.last = "Doe";
   newEmployee.pID = 111111111;
   newEmployee.performanceRating = 2;
   newEmployee.dept = "ACCT";
   newEmployee.salary = 34567.78;

b. for(int i = 0; i < 100; i++){
     employees[i].performanceRating = 0;
   }

c. newEmployee = employees[19];
d. employees[49].salary += 5735.87;
