Answer (Choose 1 answer)
Consider the following code:
1. Cat c 2. Washer w
3. Swamp Thing st:
4
5. c = new Cat():
6. w = c:7. st = (Swamp Thing) w.
Which of the following statements is true?
Where:
Mammal extends Animal Cat. Swamp Thing extends Mammal Cat implements Washer
A. The code will compile but will throw an exception at line 7, because the runtime class of w cannot be converted to type Swamp Thing.
B. Line 7 will not compile, because you cannot cast an interface to a class.
C. Line 6 will not compile; an explicit cast is required to convert a Cat to a Washer.
Animal
Whasher w
Mammal
Raccoon (implementsWasher)
Exit 41
Swamp Thing
Dog
Cat (implementsWasher)
st
