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 25982

"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 24292

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

Infosys,

8 25440

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 27829

how to swap two numbers with out using temp variable

Global eProcure, TCS,

12 21067

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

Infosys,

5 10371

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 39434

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 6083

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

7 10898

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 8482

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 17419

Disadvantages of c++

HCL,

8 18665

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 11510

Please post the model question paper of hal?

2 4862

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Un-Answered Questions { C++ General }

What do manipulators do?

1016

What are the stages in the development cycle?

1065

Which sort does c++ use?

1020

What is the difference between function overloading and operator overloading?

1115

What is the arrow operator in c++?

1028

What is the purpose of extern storage specifier?

1190

What is auto used for in c++?

1051

What is meant by const_cast?

1130

Is c++ slower than c?

1038

What is a base class?

1116

What is name hiding in c++?

1158

Write a Program for read a line from file from location N1 to N2 using command line arguments. Eg:exe 10 20 a.c

1296

Define a constructor?

1050

What is the correct syntax for inheritance a) class aclass : public superclass b) class aclass inherit superclass c) class aclass <-superclass

1194

Reverse the Linked List. Input: 1->2->3->4->5->NULL Output: 5->4->3->2->1->NULL

812

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