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AP Computer Science 2.3 Classes and Objects. Which of the following is correct implementation of the Country class?

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AP Computer Science 2.4 Inheritance, Abstraction, and Polymorphism 173 Views


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AP Computer Science 2.4 Inheritance, Abstraction, and Polymorphism. Which of the following is a valid class declaration?

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Transcript

00:00

Thank you we sneak and here's your shmoop too sure

00:05

brought to you by the subclass who's siblings went mysteriously

00:08

missing leaving him with the entire inheritance All right which

00:12

of the following is a valid class declaration public to

00:16

class All right here potential answers you have to roman

00:20

way and here we go Well choice one is a

00:25

valid answer It extends its parent class than implements its

00:28

interfaces Choice two does not have correct syntax The extends

00:34

keyword must always precede the implements Keyword choice three is

00:38

the same problems to when writing a new class Extends

00:41

always comes after implements That leaves us with just choice

00:45

a it's one on lee as our answer You know

00:48

we may have closed this one The case of the

00:49

rogue subclass is still unsolved Would be looking anywhere hiding 00:00:53.274 --> [endTime] in the shadows I didn't just right no

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