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C++ Interview Questions
Questions Answers Views Company eMail

Which data structure gives efficient search? A. B-tree B. binary tree C. array D. linked list

ABC, Sun Microsystems,

21 30934

Give the output of the following program main() {char *p='a'; int *i=100/*p; } what will be the value of *i= 1

Sun Microsystems,

6 12151

Give the output of the following program main() {int ret; ret=fork();ret=fork();ret=fork();ret=fork(); if(!ret) printf("sun"); else printf("solaris");

Sun Microsystems,

8 15803

c# support late binding or early binding.

6 17277

When a private constructer is being inherited from one class to another class and when the object is instantiated is the space reserved for this private variable in the memory??

HCL, Honeywell,

13 22491

how to create thread in java?

IBM, Infosys, Wipro,

17 23975

Difference between over loading and over ridding?

CTS, Patni, Softvision Solution,

12 28073

what is virtual function?

Aspire, HP, Infosys, RoboSoft, TCS,

26 62483

what is an array

20 20141

pointers are support in C#? if yes then how to use it?

Softvision Solution,

8 12753

how to overload << and >> operator in c++

Wipro,

3 10022

What is command routing in MFC

GE,

1 8087

what is new modifier in C#

HCL,

8 13822

Write a function which takes a character array as input and reverses it in place.

Lehman Brothers, Vision Infotech,

2 8924

Write a String class which has: 1) default constructor 2) copy constructor 3) destructor 4) equality operator similar to strcmp 5) constructor which takes a character array parameter 6) stream << operator

HCL, Lehman Brothers, Zoomerang,

2 9156


Un-Answered Questions { C++ }

What is difference between pop and oop?

1168


Which function cannot be overloaded c++?

1116


Which is best ide for c++?

1014


Declare a pointer to a function that takes a char pointer as argument and returns a void pointer.

1004


What are the uses of c++ in the real world?

1038


What are the costs and benefits of using exceptions?

1078


What is lazy initialization in c++?

1107


How do you flush std cout?

1100


What is the maximum combined length of command line arguments including the space between adjacent arguments?

1000


Can you use the function fprintf() to display the output on the screen?

1247


What is binary object model?

1030


What is difference between n and endl in c++?

1096


Why main function is special in c++?

1127


What is the basic of c++?

1062


Explain "const" reference arguments in function?

1058