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Frequently Asked C++ interview questions and answers for freshers

(#M40028656) C++ QUESTION Technical Question on C++ and OOPS Keep an EYE

How Virtual functions call up is maintained?

Asked In C++ MAN (7 years ago)

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(#M40028549) C++ QUESTION Technical Question on C++ and OOPS Keep an EYE

What will be the output of following program?

main()
{
int i=1;
for(;i<=32768;i++)
printf("%d",i);
}

Options
1) 32767
2) infinite loop
3) 32768
4) None of the above

Asked In C++ MAN (7 years ago)

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(#M40028555) C++ QUESTION Technical Question on C++ and OOPS Keep an EYE

Which of the following statements is correct?

Options
1) First time method of a class is called, the constructor method is called.
2) Every time method of a class is called, the constructor method is called.
3) Every time an instance of a class is created, the constructor method is called.
4) None of the above

Asked In C++ MAN (7 years ago)

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(#M40164898) C++ QUESTION Write a program that will take a number in string format and convert it and print it in integer form Keep an EYE

Write a program that will take a number in string format and convert it and print it in integer format.

Asked In C++ siva prasad reddy (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 (5 years ago)

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(#M40028248) C++ QUESTION C++ programs Keep an EYE

Is there anything wrong with this C++ class declaration?
class temp
{
int value1;
mutable int value2;
public :
void fun(int val)
const{
((temp*) this)->value1 = 10;
value2 = 10;
}
};

Asked In C++ MAN (7 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 (7 years ago)

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(#M40028281) C++ QUESTION C++ Keep an EYE

Will the inline function be compiled as the inline function always? Justify

Asked In C++ MAN (7 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 (6 years ago)

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(#M40030274) C++ QUESTION C++ Keep an EYE

Suppose that the foo class does not have an
overloaded assignment operator. What happens
when an assignment a=b; is given for two foo
objects?
a) The automatic assignment operator is used
b) The copy constructor is used
c) Compiler error
d) Run-time error

Asked In C++ MAN (7 years ago)

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