Suppose That Horse Is a Subclass of Animal, and Neither

question 10

Multiple Choice

Suppose that Horse is a subclass of Animal, and neither class is abstract. Which of the following is an invalid declaration and initialization?

• A) Horse h = new Horse();
• B) Horse h = new Animal();
• C) Animal a = new Animal();
• D) Animal a = new Horse();
• E) all of the above are valid