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Description:
AP Computer Science 3.1 Standard Data Structures. Which of the following can be added to a NeatAnimal array without causing an error?
Transcript
- 00:00
Thank you We sneak and here's your smoke du jour
- 00:05
brought to you by polite terran dactyls You can't hear
- 00:09
them go to the bathroom because they're p is silent
- 00:12
Can't we went there A joke Yeah whizzing parad act
- 00:16
als that's How far shmoop will go to get you
Full Transcript
- 00:18
to learn this stuff kid Okay here we go which
- 00:23
of the following congee added to a neat animal array
- 00:25
without causing an error All right look intense herod act
- 00:31
all handsy there with hi aren't you done reading All
- 00:36
right here potential answers And let's just go all right
- 00:41
so let's think about what this questions asking We have
- 00:44
a bunch of slots in an array that only accept
- 00:46
objects that are a type meat animal but let's take
- 00:49
a look at the answer is into a neat animal
- 00:52
No but we can eliminate that one by one Moving
- 00:56
on you were given an object of type pterodactyl well
- 01:00
that's not a neat animal so we can cross it
- 01:03
off the list right Wrong Pterodactyl is a subclass of
- 01:07
meat anil meaning we can store it inside of a
- 01:10
neat animal object Remember we can put sub classes into
- 01:13
super class is not the other way around And finally
- 01:17
let's take a look at our last choice String obviously
- 01:20
is not a neat animal so we can cross that
- 01:24
one off lists or answer must be beat And next
- 01:26
time we'll look it done sort of crashing their cars 00:01:29.51 --> [endTime] That's a tyrannosaurus rex
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