Java Programming for Complete Beginners - Java 16 - Step 21 - Polymorphism - an Introduction

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Information Technology (IT), Architecture
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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
What is demonstrated by using the same code to execute different behaviors in the gaming console example?
Abstraction
Inheritance
Encapsulation
Polymorphism
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does polymorphism apply to interfaces?
It allows multiple classes to implement the same interface with different behaviors.
It restricts the use of multiple interfaces in a single class.
It forces all classes to have the same behavior.
It prevents the use of abstract methods.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the inheritance example, what is the role of the 'Animal' class?
It is a final class that cannot be extended.
It is a concrete class that provides specific implementations.
It is a utility class that provides helper methods.
It is an abstract class that defines a method to be implemented by subclasses.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What behavior is exhibited by the 'Dog' class in the inheritance example?
It meows when the method is called.
It barks when the method is called.
It runs when the method is called.
It jumps when the method is called.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when the 'Animal' reference points to a 'Cat' object?
An error occurs.
No method is executed.
The 'Cat' method is executed.
The 'Dog' method is executed.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main takeaway about polymorphism from the video?
It requires all classes to have the same methods.
It is not useful in object-oriented programming.
It allows the same code to have different behaviors based on the object.
It is only applicable to abstract classes.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes polymorphism?
Different code, different behavior
Same code, different behavior
Different code, same behavior
Same code, same behavior
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