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

C++ General Interview Questions

Questions Answers Views Company eMail

Find the second maximum in an array?

HCL,

12 25985

"How will you merge these two arrays? Write the program Array: A 1 18 22 43 Array: B 3 4 6 20 34 46 55 Output Array: C 1 3 4 6 18 20 22 34 43 46 55"

College School Exams Tests, HCL,

9 24299

What is Object Oriented programming.what is the difference between C++ and C?

Infosys,

8 25445

Memory is not a constraint. In a single iteration(NOTE: you can't go back), how will you find out the 10th last node/item in a linked list.

BNB, FDS, Goldman Sachs, Nagarro,

16 27833

how to swap two numbers with out using temp variable

Global eProcure, TCS,

12 21074

Can we use resume in error handling i.e. in the catch block

Infosys,

5 10379

this is to swap to strings....but in output the whole strings are swapped leaving first as it is...why it is so #include int main() { char a[]="ajeet"; char b[]="singh"; long x=*a; long y=*b; cout< 1 4634

how to swap two strings without using any third variable ?

11 39441

if i want cin 12345678910 and cout abcdefghij. so how can i create the program?. example : if i key in 8910 so the answer is ghij.

3 6084

Write a program that read 2o numbers in and array and output the second largest number. Can anybody help??

7 10900

In a class, there is a reference or pointer of an object of another class embedded, and the memory is either allocated or assigned to the new object created for this class. In the constructor, parameters are passed to initialize the data members and the embedded object reference to get inialized. What measures or design change should be advised for proper destruction and avioding memory leaks, getting pointers dangling for the embedded object memory allocation? Please suggest.

GE,

5 8486

Consider a c++ template funtion template T& Add(T a, T b){return a+b ;} if this function is called as T c = Add("SAM", "SUNG"); what will happen? What is the problem in the template declaration/ How to solve the problem.

LG, Samsung,

7 17425

Disadvantages of c++

HCL,

8 18667

what is the size of this class class size { public: char data1; double d; int data2; char data3; double data4; short data5; }; please explain the padding for these double variables.

9 11513

Please post the model question paper of hal?

2 4864

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Un-Answered Questions { C++ General }

Which programming language is best?

989

What is setiosflags c++?

977

Write down the equivalent pointer expression for referring the same element a[i][j][k][l]?

1264

Why do we use classes in programming?

1037

Define Virtual function in C++.

1098

What are disadvantages of pointers?

1040

What happens when the extern "c" char func (char*,waste) executes?

1089

What is c++ best used for?

1068

What are the rules about using an underscore in a c++ identifier?

1197

What's the best free c++ profiler for windows?

1088

What's c++ used for?

1116

Can we use this pointer in a class specific, operator-overloading function for new operator?

1106

Where are setjmp and longjmp used in c++?

1124

What does iomanip mean in c++?

1206

What is c++ flowchart?

1393

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