When requesting information from the dispatcher, questions should be formulated in such a fashion as to allow

If you do not initialize a(n) ____________ field, it begins with a special value known as null.

a. int b. decimal c. double d. string

If MyTruck extends MyCar, ____________ .

a) an object of MyTruck can be assigned to a variable of type MyCar b) an object of MyCar can be assigned to a variable of type MyTruck c) objects of either class cannot be assigned to the opposite class d) both a and b.