
App Dev Day 1
Authored by 2266_Shivam 2266_Shivam
Computers
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not a principle of Object-Oriented Programming?
Encapsulation
Inheritance
Compilation
Polymorphism
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of encapsulation in OOP?
To allow multiple classes to inherit from one base class
To define multiple functions with the same name
To restrict access to certain details of an object
To reuse the code of other classes
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following allows a subclass to provide a specific implementation of a method already defined in its superclass?
Abstraction
Inheritance
Method Overloading
Method Overriding
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the term "polymorphism" mean in OOP?
Using many functions to do one task
One object behaving differently based on the context
Writing code that is specific to one class
None of the above
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best defines abstraction in OOP?
Hiding internal implementation details and showing only functionality
Creating multiple classes with similar features
Making all class members public
None of the above
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these is a reserved keyword in Dart?
value
final
define
object
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the output of the following code?
var name = "Alex";
name = "Sam";
print(name);
Alex
Sam
Error
null
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