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 12572

What is C++ could you enplane me please?

1 3871

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

5 31594

How do you make derived class as an abstract class?

Convergys, TCS,

1 5195

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

TCS,

1 4508

what is static?

4 5834

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 10983

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

Yahoo,

2273

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

Yahoo,

1 6806

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

emc2,

8 10385

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 4705

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,

2189

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

1 9122

what is overloading

MindCracker,

3 5153

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 4772

Un-Answered Questions { C++ }

Why is polymorphism important in oop?

1010

What are the fundamental features of an object-oriented language?

956

What is a function in oop?

1019

Difference between struct and class in terms of access modifier.

1146

Why is c++ not purely object oriented?

962

Define linked lists with the help of an example.

981

Why Pointers are not used in C++?

1016

How would you use the functions sin(), pow(), sqrt()?

1133

why is c++ called oops? Explain

985

What is class invariant in c++?

1164

Evaluate as true or false: !(1 &&0 || !1) a) True b) False c) Invalid statement

1097

How much maximum can you allocate in a single call to malloc()?

1058

To solve the 8 Queens problem, which algorithm is used?

957

write a programme to get a character and thier ASCII value

2993

What are pointer-to-members? Explain.

1067

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