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 26291

"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 24563

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

Infosys,

8 25721

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 28319

how to swap two numbers with out using temp variable

Global eProcure, TCS,

12 21409

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

Infosys,

5 10563

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 4705

how to swap two strings without using any third variable ?

11 39767

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 6198

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

7 11126

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 8654

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 17691

Disadvantages of c++

HCL,

8 18903

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 11760

Please post the model question paper of hal?

2 4955

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Un-Answered Questions { C++ General }

What is #include iomanip?

1063

Why do we use templates?

1111

What operators can you overload in c++?

1082

What is a storage class?

1373

Explain how we implement exception handling in c++?

1106

What is the difference between the compiler and the preprocessor?

1167

What is a try block?

1117

Can a program run without main?

1328

What is a constant? Explain with an example.

1080

What is data types c++?

1069

Write a note about the virtual member function?

1110

How can virtual functions in c++ be implemented?

1197

What is :: operator in c++?

1103

What is the difference between interpreters and compilers?

1269

What are containers in c++?

1031

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