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Inheritance, Abstraction, and Polymorphism Videos 17 videos
APCS: Inheritance, Abstraction, and Polymorphism Drill 1, Problem 2. Which of the following is the correct way to begin writing your class?
AP Computer Science 1.1 Inheritance, Abstraction, and Polymorphism. Which of the following are correct?
AP Computer Science 1.3 Inheritance, Abstraction, and Polymorphism. Which of the following is true?
AP Computer Science 1.3 Inheritance, Abstraction, and Polymorphism 177 Views
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Description:
AP Computer Science 1.3 Inheritance, Abstraction, and Polymorphism. Which of the following is true?
Transcript
- 00:00
Thank you We sneak and here's your shmoop du jour
- 00:05
brought to you by the great who got stepped on
- 00:09
It didn't say anything but it let out a little
- 00:11
wine Consider the following class hierarchy diagram note and open
- 00:17
up arrow denotes an inheritance relationship and it closed down
Full Transcript
- 00:22
arrow This thing denotes a composition relationship I got fruit
- 00:27
very citrusy but we did Following is true all right
- 00:31
roman numerals And let's go we're looking at statement one
- 00:38
let's recall What is a relationship it's and is a
- 00:43
relationship states that one class is a subclass or super
- 00:47
class of the other Well his fruit a subclass are
- 00:51
super class of grape Yeah well statement to suggest that
- 00:55
seed in fruit have a has a relationship Remember that
- 01:00
has a relationship Means that one glass contains a variable
- 01:04
that is an instance of the other well does fruits
- 01:07
contain a variable of seed type No no we can
- 01:11
tell from the diagram that not all fruits have seeds
- 01:16
And lastly statement three says that citrus and seed hava
- 01:20
has a relationship Well does the citrus class contain a
- 01:24
seed We'll definitely way intel from the up arrow in
- 01:27
the diagram and our answers The next time we'll check
- 01:30
out the very angry grapes the grapes of wrath We 00:01:35.566 --> [endTime] went there Sorry people Oh
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