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AP Computer Science Videos 112 videos

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AP Computer Science 3.1 Program Development 212 Views


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Description:

AP Computer Science 3.1 Program Development. This project utilizes which of the following programming approaches?

Language:
English Language

Transcript

00:00

Thank you We sneak Then here's your smart du jour

00:06

brought to you by the dunce Or that was a

00:08

noisy sleeper Toronto's norris a dinosaur classes written along with

00:14

an extensive hierarchy of sub classes to model all species

00:18

of dinosaur super classes written such that personal information Edgy

00:23

name age and favorite taylor swift song is stored in

00:26

private data members which can only be accessed by a

00:29

dinosaur method A complex environmental modeling program is then written

00:33

in order to re enact a great scene from jurassic

00:36

park The outer loop is written first and then inner

00:39

loops and procedures are filled in to simulate more fundamental

00:43

processes This project utilizes which of the following programming approaches

00:49

All right And here lancers calm down Dating catholic and

00:55

one two three All right all right Let's Go three

00:58

to the choices Object oriented development means that we use

01:01

objects in our program Well are dinosaurs objects Yep Choice

01:07

one works Remember that java is an object oriented programming

01:11

language because it supports the use of objects Though any

01:14

programming done in java will be a use of object

01:17

oriented developed choice Two talks about a funny thing called

01:21

top down development recall That when we make a programme

01:25

from top down we write all the general code first

01:29

and then moved to a more specific pieces Think about

01:32

it this way when you build a skyscraper first you

01:35

build the frame Then he put in the walls and

01:37

then you install all the small furnishings like windows and

01:40

lights and that's How you build a skyscraper Our code

01:43

successful uses top down development by riding the outer general

01:46

of first and then feeling in the inter loose and

01:48

procedures way know that our answer has tohave choice one

01:51

into innit However there is no choice that has only

01:53

one and two So our answer thus must be e

01:57

but let's take a look at our last choice Teo

01:59

make sure choice three mentioned something about data encapsulation Well

02:03

this is just a scary word The ap test writers

02:06

used to scare you Another word for it is data

02:09

hiding Now that we know this deciphering the meaning becomes

02:12

much easier Data hiding is just the process of hiding

02:15

personal information using private data members It's nice one T

02:18

rex wants to hide the fact that his favorite t

02:20

swift song is a love story Or that mr smoke

02:24

jams out tio twenty two when he thinks no one

02:26

is watching Don't worry No one else will find that

02:29

out Because our program successfully implements data encapsulation your answer

02:33

must be eaten Program successfully implement all three of these

02:36

functions Next time we'll see what happens when t rex 00:02:39.55 --> [endTime] is taylor swift Fandom gets a little too big

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