C++ Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

STL (140)
OOPS (873)
C++ General (2409)

C++ Interview Questions

Questions Answers Views Company eMail

what is the diffrence between c# and c++

5 8148

How compiler selects(internally) required overridden function in inheritance?

2 6327

They started with the brief introduction followed by few basic C++ questions on polumorphism, inheritance and then virtual functions. What is polymorphims? How you will access polymorphic functions in C? How virtual function mechanism works?

1869

There are 2 empty jars of 5 and 3 liters capacity. And a river is flowing besides. I want to measure 4 liters of wanter using these 2 jars. How do you do this?

2 4241

1864

There are 2 empty jars of 5 and 3 liters capacity. And a river is flowing besides. I want to measure 4 liters of wanter using these 2 jars. How do you do this?

4 10714

write a corrected statement so that the instruction will work properly. if (4 < x < 11) y = 2 * x;

1947

write a corrected statement in c++ so that the statement will work properly. x = y = z + 3a;

1824

Write a corrected statement in c++ so that the statement will work properly. if (4 < x < 11) y=2*x;

1964

Write a corrected statement in c++ so that the statement will work properly. if (x > 5); y = 2*x; else y += 3+x;

1 2978

Write a corrected statement in c++ so that the statement will work properly. if (x = y) x = 2*z;

2 4038

Write a corrected statement in c++ so that the statement will work properly. x =+ 7;

2 3806

Write a corrected statement in c++ so that the statement will work properly. x + y=z;

2 3962

If you had the following code: int x = 23; int *y; y = &x; The instruction y++; does what?

2 4572

Write a single instruction that will find the remainder of integral division when x is divided by y. Have the answer stored in z.

1 3387

Un-Answered Questions { C++ }

What do you mean by vtable and vptr in c++?

987

Declare a pointer to a function that takes a char pointer as argument and returns a void pointer.

943

What is & in c++ function?

1007

How does class accomplish data hiding in c++?

1117

Which field is used in c++?

1047

What is the difference between a definition and a declaration?

1005

Explain rtti.

1024

Is c++ the best programming language?

960

Explain storage qualifiers in c++.

1029

When do you call copy constructors?

1082

What are functions in oop?

997

Write a program that can take input from 3 to 8 and calculate the average?

943

What is dynamic and static typing?

1134

What is the point of polymorphism?

995

How to tokenize a string in c++?

1002

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