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

C++ General Interview Questions

Questions Answers Views Company eMail

Write a program to calculate the following i want a c++program for this condition 1+4+9+16+….+100 Like this (1^2+2^2) Hint use function pow(a,b)

HTC, TCS,

4 19019

what are difference between c and c++?

Accenture,

9 12529

how to access grid view row?

2283

how to create window program in c++.please explain.

Microsoft,

1 6121

founder of c++

Microtek, TCS, TeleCommand,

7 13132

How the memory management in vectors are being done. What happens when the heap memory is full, and how do you handle it ?

Yahoo,

2367

What is the best sorting algorithm, when there is a large amount of data, that cannot be fit in the main memory. ?

Yahoo,

1 6952

How do you initialize a class member, class x { const int i; };

emc2,

8 11016

advantages and disadvantages of using Borland C++ / version 5.

1 9317

Read the following program carefully and write the output of the program. Explain each line of code according to given numbering. #include #include #include #include 1……………… int main (void) { pid_t pid; 2………………………… pid = fork(); 3…………………………. if (pid > 0) { int i; 4………………………… for (i = 0; i < 5; i++) { 5………………… …………… printf(" I AM VU : %d\n", i); 6………………… …………… sleep(1); } exit(0); } 7………………… ……… else if (pid == 0) { int j; for (j = 0; j < 5; j++) { 8……………………………… printf(" I have no child: %d\n", j); sleep(1); } _exit(0); } else { 9………………………………fprintf(stderr, "can't fork, error %d\n", errno); 10……………… … ………… exit (EXIT_FAILURE); } }

1 4966

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

2056

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

1947

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

2049

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

1 3113

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

2 4254

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Un-Answered Questions { C++ General }

What flag means?

1013

What is enum c++?

1335

How does c++ sort work?

1025

How is computer programming useful in real life?

1117

What happens if a pointer is deleted twice?

1322

What is the difference between map and hashmap in c++?

1161

What sorting algorithm does c++ use?

1195

What is the basic structure of a c++ program?

1197

What is prototype in c++ with example?

1232

Explain how overloading takes place in c++?

1093

Arrange Doubly linked list in the ascending order of its integral value and replace integer 5 with 7?

4169

How do you establish an is-a relationship?

1215

What are the benefits of pointers?

1106

Describe the syntax of single inheritance in C++?

1120

Why namespace is used in c++?

1118

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