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What is the output of the following code? (Choose all that apply)

A. 2
B. 4
C. The code will not compile because of line 3.
D. The code will not compile because of line 5.
E. The code will not compile because of line 7.
F. The code will not compile because of line 11.
G. The output cannot be determined from the code provided.

Explanation:
First, the method getTailLength() in the interface HasTail is assumed to be public, since it is part of an interface. The implementation of the method on line 3 is therefore an invalid override, as protected is a more restrictive access modifier than public, so option C is correct. Next, the class Cougar implements an overloaded ver- sion of getTailLength(), but since the declaration in the parent class Puma is invalid, it needs to implement a public version of the method. Since it does not, the declaration of Puma is invalid, so option D is correct. Option E is incorrect, since Puma is marked abstract and cannot be instantiated. The overloaded method on line 11 is declared correctly, so option F is not correct. Finally, as the code has multiple compiler errors, options A, B, and G can be eliminated.



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What is the output of the following code? (Choose all that apply)

A. 2
B. 4
C. The code will not compile because of line 3.
D. The code will not compile because of line 5.
E. The code will not compile because of line 7.
F. The code will not compile because of line 11.
G. The output cannot be determined from the code provided.

Explanation:
First, the method getTailLength() in the interface HasTail is assumed to be public, since it is part of an interface. The implementation of the method on line 3 is therefore an invalid override, as protected is a more restrictive access modifier than public, so option C is correct. Next, the class Cougar implements an overloaded ver- sion of getTailLength(), but since the declaration in the parent class Puma is invalid, it needs to implement a public version of the method. Since it does not, the declaration of Puma is invalid, so option D is correct. Option E is incorrect, since Puma is marked abstract and cannot be instantiated. The overloaded method on line 11 is declared correctly, so option F is not correct. Finally, as the code has multiple compiler errors, options A, B, and G can be eliminated.

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