i.Suppose a class named SportsCar is a derived class of a class Automobile. Suppose also that the
Question:
i.Suppose a class named SportsCar is a derived class of a class Automobile. Suppose also that the class Automobile has private instance variables named speed, manufacturer, and a number of cylinders. Will an object of the class SportsCar have instance variables named speed, manufacturer, and number of cylinders?
ii. What is the difference between this and super when these words are used within a constructor definition as the names of methods that are called?
iii. Which of the following lines are legal and which are illegal? The class Undergraduate is a derived class of Student, and Student is a derived class of Person.
a. Person p1 = new Student();
b. Person p2 = new Undergraduate();
c. Student s1 = new Person();
d. Student s2 = new Undergraduate();
e. Undergraduate ug1 = new Person();
f. Undergraduate ug2 = new Student();
g. Object ob = new Student();
h. Student s3 = new Object();
Probability and Statistics
ISBN: 978-0321500465
4th edition
Authors: Morris H. DeGroot, Mark J. Schervish