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Frequently Asked C++ interview questions and answers for freshers

(#M40028556) C++ QUESTION Technical Question on C++ and OOPS Keep an EYE

A Class can have how many destructor?

Options
1) 1
2) 2
3) 3
4) 4

Asked In C++ MAN (5 years ago)

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(#M40028550) C++ QUESTION Technical Question on C++ and OOPS Keep an EYE

Data members is also called?

Options
1) Attribute
2) Method
3) Class
4) Object

Asked In C++ MAN (5 years ago)

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(#M40028540) C++ QUESTION Technical Question on C++ and OOPS Keep an EYE

What will be the output?

main()
{
int a[]={1,3,5,7};
printf("%d",&a[3]-&a[1]);
}


Options
1) 1
2) 2
3) 3
4) 4

Asked In C++ MAN (5 years ago)

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(#M40156091) C++ QUESTION static keyword in C++ Keep an EYE

Which one of the following is true about the static keyword :-
[1] variable declared as static is shared by all
the objects of the class.
[2] variable declared as static is not shared
by all the objects of the class.
[3] It can't be used as data member of class.
[4] None
.

Asked In C++ Rishikesh Agrawani (3 years ago)

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(#M40155993) C++ QUESTION Keep an EYE

Pankaj makes a program to print the product of cubes of the first 10 whole numbers.

She writes the following program:

integer x = 0 // statement 1

integer x = 0 // statement 1

integer sum = 0 // statement 2

while ( x < 10 ) // statement 3

{

sum = x*x*x // statement 4


x = x + 1 // statement 5

}

print sum // statement 6


Is her program correct? If not, which statement will you modify to correct it?

a. No error, the program is correct

b. Statement 1

c. Statement 4

d. statement 6

Asked In C++ abhinav (3 years ago)

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(#M40028511) C++ QUESTION Technical Question on C++ and OOPS Keep an EYE

Which constructor is invalid for class cat?

Options
1) void cat :: cat() { feet=4;}
2) cat::cat(int f){feet=f;}
3) cat::cat(void){feet=8;}
4) cat::cat(int f){this->feet=f;}

Asked In C++ MAN (5 years ago)

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(#M40037429) C++ QUESTION any puzzle Keep an EYE

Which of the following statements is incorrect?
A. Friend keyword can be used in the class to allow access to another class.
B. Friend keyword can be used for a function in the public section of a class.
C. Friend keyword can be used for a function in the private section of a class.
D. Friend keyword can be used on main().

Asked In C++ Tharambigai ramesh (4 years ago)

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(#M40028560) C++ QUESTION Technical Question on C++ and OOPS Keep an EYE

In c++ object of the class is also called?

Options
1) Constants
2) Tag
3) Instance
4) Data collection

Asked In C++ MAN (5 years ago)

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(#M40028629) C++ QUESTION Technical Question on C++ and OOPS Keep an EYE

What is default constructor?

Asked In C++ MAN (5 years ago)

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(#M40028630) C++ QUESTION Technical Question on C++ and OOPS Keep an EYE

When are copy constructors called?

Asked In C++ MAN (5 years ago)

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