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 12849

What is C++ could you enplane me please?

1 3966

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

5 31815

How do you make derived class as an abstract class?

Convergys, TCS,

1 5283

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

TCS,

1 4588

what is static?

4 6011

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 11211

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

Yahoo,

2310

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

Yahoo,

1 6886

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

emc2,

8 10699

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 4785

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,

2233

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

1 9227

what is overloading

MindCracker,

3 5294

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 4860

Un-Answered Questions { C++ }

What is unary operator? List out the different operators involved in the unary operator.

993

What are the benefits of oop in c++?

1220

What is overriding in oops?

1101

Can manipulators fall in love?

1004

List the features of oops in c++?

1044

What is the use of function pointer?

1019

What are classes oop?

1018

How do I tokenize a string in c++?

1087

Write a single instruction that will store an EVEN random integer between 54 and 212 inclusive in the variable myran. (NOTE only generate EVEN random numbers)

1935

What is general form of pure virtual function? Explain?

992

Why is it necessary to use a reference in the argument to the copy constructor?

1113

Why is it so that we can have virtual constructors but we cannot have virtual destructors?

4923

What relational operators if statements in c++?

1170

Why are pointers used?

1002

Q1. A. What is unary operator? List out the different operators involved in the unary operator. B. What is an adjust field format flag? Q2. A. Distinguish between a # include and #define. B. Can a list of string be stored within a two dimensional array? Q3. A.Explain how a pointer to function can be declared in C++? B.List the merits and demerits of declaring a nested class in C++? Q4. A. What are the syntactic rules to be avoid ambiguity in multiple inheritence? B. Explain the operation of overloading of an assignment operator. Q5. A. Explain how the virtual base class is different from the conventional base classes of the opps. B. Explain how an exception handler is defined and invoked in a Program. Q6. A. What is a binary file? List the merits and demerits of the binary file usagein C++. B. Write short notes on Text Manipulation Routines. C. Write bites in Turbo c++ Header (“Include”) Files.

2768

For More Un-Answered { C++ } Questions Click Here