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QUIZ ON : JAVA - ENCAPSULATION AND INHERITANCE
ENCAPSULATION AND INHERITANCE
00:00:00
English
Hindi
Question No# :
01
out of 10
An OOP feature that allows all members of a class to be the members of another class.
A.
Encapsulation
B.
Abstraction
C.
Inheritance
D.
Polymorphism
Question No# :
02
out of 10
Which feature can be implemented using encapsulation?
A.
Inheritance
B.
Abstraction
C.
Polymorphism
D.
Overloading
Question No# :
03
out of 10
Which access specifier allows accessibility of a member only within the same class where it is declared?
A.
public
B.
private
C.
protected
D.
default
Question No# :
04
out of 10
A static member a is declared in a class named ‘Myclass’, write the statement to initialise it with 5, from a function in another class.
A.
a=5;
B.
a of Myclass=5;
C.
Myclass.a=5;
D.
a.Myclass=5;
Question No# :
05
out of 10
What is the purpose of an abstract class
What is the purpose of an abstract class
A.
To provide help with database connectivity
To provide help with database connectivity
B.
To provide data input to other classes
To provide data input to other classes
C.
To provide security to other classes
To provide security to other classes
D.
To provide an appropriate base class from which other classes can inherit
To provide an appropriate base class from which other classes can inherit
Question No# :
06
out of 10
How can Encapsulation be achieved?
A.
Using Access Specifiers
B.
Using only private members
C.
Using inheritance
D.
Using Abstraction
Question No# :
07
out of 10
Which keyword allows Inheritance?
A.
extend
B.
extends
C.
for
D.
protected
Question No# :
08
out of 10
Inheritance is referred to as
Inheritance is referred to as
A.
"is a" relationship
"is a" relationship
B.
"have a" relationship
"have a" relationship
C.
Both A and B
Both A and B
D.
None of These
None of These
Question No# :
09
out of 10
Which access specifier allows accessibility by all classes in the same package, but only by subclasses in a different package?
A.
public
B.
private
C.
protected
D.
default
Question No# :
10
out of 10
Wrapping up of data and method into a single unit is called___
A.
Encapsulation
B.
Abstraction
C.
Inheritance
D.
Polymorphism
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