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

founder of c++

Microtek, TCS, TeleCommand,

7 12911

What is C++ could you enplane me please?

1 3998

if x<>=z then statement end what is the cyclomatic complexity

5 31882

How do you make derived class as an abstract class?

Convergys, TCS,

1 5305

Write a program to find out the number of palindromes in a sentence.

TCS,

1 4608

what is static?

4 6059

The IT giant Tirnop has recently crossed a head count of 150000 and earnings of $7 billion. As one of the forerunners in the technology front, Tirnop continues to lead the way in products and services in India. At Tirnop, all programmers are equal in every respect. They receive identical salaries and also write code at the same rate. Suppose 14 such programmers take 14 minutes to write 14 lines of code in total. How long will in take 5 programmers to write 5 lines of code in total ?

TCS,

6 11264

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

Yahoo,

2321

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

Yahoo,

1 6910

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

emc2,

8 10775

Write a C/C++ program that connects to a MySQL server and checks if the InnoDB plug-in is installed on it. If so, your program should print the maximum number of concurrent threads that the InnoDB plug-in can create.

1 4812

write a program to enter a string like"sunil is a good boy and seeking for a job" not more than 10 characters including space in one line,rest characters should b in other line.if the next line starts from in between the previous word,then print whole word to next line.

Wipro,

2245

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

1 9239

what is overloading

MindCracker,

3 5341

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 4891

Un-Answered Questions { C++ }

Why polymorphism is used in oops?

1059

What is an operator function? Describe the function of an operator function?

1162

Question on Copy constructor.

1041

Does c++ support multilevel and multiple inheritances?

1016

Evaulate: 22%5 a) 2 b) 4 c) 0

1099

How long to learn object oriented programming?

1102

How to tokenize a string in c++?

1072

What are guid?

1255

Differentiate between an external iterator and an internal iterator?

1005

what are the iterator and generic algorithms.

1950

Explain the register storage classes in c++.

1192

Define copy constructor.

1123

How can we read/write Structures from/to data files?

1140

How do pointers work?

1188

Can you be able to identify between straight- through and cross- over cable wiring? And in what case do you use straight- through and cross-over?

1112

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