
References in C++

Quiz
•
Professional Development
•
Professional Development
•
Hard
RAGHUVEER KASYAP
Used 4+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statement is true about the references?
Defining a reference variable allocates a separate memory.
Reference variable can point to any variable once it is initialized
Reference to an object creates a copy
Reference variable must be initialized to NULL
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A reference variable must be initialized to null
True
False
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
True Or False
A reference variable can point to any variable once initialized
True
False
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A reference variable must be initialized to ___________
null
0
variable
address of a variable
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the output of the below code snippet?
int a=10;
int b=20;
int &ref=a;
int *ptr=&b;
ref += *ptr;
ref++;
cout<<a<<"\t"<<b;
10 20
20 10
31 20
20 31
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the output of the below code snippet?
int a=1000;
float &b=a;
b++;
cout<<a;
1000
1001
Prints the address of the variable a
Compilation error
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A friend function can be declared under which access specifier
Private
Protected
Public
All
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