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AP Computer Science Videos 113 videos
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AP Computer Science 2.3 Classes and Objects. Which of the following is correct implementation of the Country class?
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?
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
Full Transcript
- 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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