Learn Java from Scratch - A Beginner's Guide - Step 11 - Introduction to Encapsulation - Level 2

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Information Technology (IT), Architecture, Physical Ed
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University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is encapsulation important in object-oriented programming?
To make code execution faster
To prevent unauthorized access to object data
To increase the size of the code
To allow direct access to object data
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial speed of the Ducati in the example?
200
0
50
100
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a drawback of the initial method used to increase speed?
It is too fast
It is too slow
It duplicates logic
It is too complex
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the new method improve the process of increasing speed?
By making the code longer
By duplicating the logic
By encapsulating the logic in a method
By removing encapsulation
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What additional functionality is introduced in the final section?
Changing color of the bike
Decreasing speed
Increasing speed by 200
Increasing the number of bikes
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens if the speed is decreased by more than the current speed?
The speed remains the same
The speed becomes negative
The speed becomes zero
The speed doubles
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What exercise is suggested for further practice?
Add methods to increase and decrease the number of book copies
Create a new bike model
Increase the speed of a car
Change the color of a bike
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