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AP Computer Science A Videos 108 videos

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AP Computer Science 3.1 Standard Data Structures 175 Views


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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?

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English Language

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

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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