Access Modifiers, Inheritance & Polymorphism
Authored by SrinivasaRao SrinivasaRao
Computers
University
Used 312+ times
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39 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of this keyword must be used to inherit a class?
super
this
extent
extends
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A class member declared protected becomes a member of subclass of which type?
public member
private member
protected member
static member
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these is correct way of inheriting class A by class B?
class B + class A {}
class B inherits class A {}
class B extends A {}
class B extends class A {}
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the output of this program?
0
1
2
Compilation Error
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the output of this program?
2 2
3 3
2 3
3 2
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the output of this program?
1 2
2 1
Runtime Error
Compilation Error
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is not type of inheritance?
Single inheritance
Double inheritance
Hierarchical inheritance
Multiple inheritance
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