Day 2 Wipro
Authored by Ms.Yatri Davda
Engineering
University
Used 1+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following concepts means "wrapping up of data and methods"?
Inheritance
Encapsulation
Abstraction
Polymorphism
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which concept of OOP is used for code reusability?
Inheritance
Encapsulation
Polymorphism
Abstraction
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following allows runtime method binding?
Static polymorphism
Function overloading
Dynamic polymorphism
Method hiding
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which keyword is used to call the constructor of a superclass?
super
this
extends
base
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of these cannot be used to achieve polymorphism?
Method overloading
Method overriding
Constructor overloading
Variable hiding
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which modifier makes a variable accessible in subclasses only?
private
protected
public
default
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which keyword is used to prevent method overriding?
static
private
final
abstract
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