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

Is there any error below, its a code to delete all entires from a map #include #include iostream.h int main() { int i =0; map TestMap; while(i<3) { TesMap.insert(TestMap::value_type(i,Test)); i++; } typedef map :: iterator mapIter =TestMap.begin(); if(mapIter!=TestMap.end()) { TestMap.erase(mapItrer); ++mapIter; } return 0; }

2390

program in c++ that can either 2 integers or 2 floating point numbers and output the smallest number

Anna University,

1 8474

why all c++ program must have default constructor?

IBM,

6 11407

20% of a 6 litre solution and 60% of 4 litre solution are mixed what the % of mixture of solution it is resulted into?

IonIdea,

5 13604

in the following, A D B G E C F Each of the seven digits from 0,1,2,3,4,5,6,7,8,9 is: a)Represented by a different letter in abov fig: b)Positioned in the fig abov so tht A*B*C,B*G*E,D*E*F are equal. wch does g represents? C

IonIdea,

1 5735

monkey starts climbing up a tree 20ft tall,each hour ,it hops 3ft and slips back by 2ft .how much time it wil tak to reach top of the tree?

IonIdea,

13 45287

design class for linked list and include constructor,destructor,insert option. struct node { int node; struct node &ptr; }

HSBC,

1 4647

design class for linked list and include constructor,destructor,insert option. node of form struct node { int data; struct node &ptr; }

2011

write a program that a 5 digit number and calculates 2 power that number and prints it.

Vimukti Technologies,

2 5220

What are the valid types of data that the main () can return in C/C++ language

3 7673

What are the general quetions are in DEna bank manager IT/System interviews?

Dena Bank, ICICI,

2022

Write a java applet that computes and displays the squares of values between 25 and 1 inclusive and displays them in a TextArea box

2621

method overloading means what?

CTS,

2 5775

Child cObj = new Parent() Wahts the output ?

Patni, TCS,

8 19605

Write a program that takes a 5 digit number and calculates 2 power that number and prints it.

CTS,

2574

Un-Answered Questions { C++ }

Why we use classes in oop?

1045

What are the components of marker interface?

1059

What is c++ course?

1049

What does it mean to declare a member variable as static?

1060

What is the difference between the functions rand(), random(), srand() and randomize()?

1292

How to get the current position of the file pointer?

1049

How do I run a program in notepad ++?

1112

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

1189

Which bit wise operator is suitable for checking whether a particular bit is on or off?

1034

What is the this pointer?

1122

Get me a number puzzle game-program

2252

what is data encapsulation in C++?

1073

What is a memory leak c++?

1141

What jobs can you get with a c++ certification?

1057

what's the basic's in dot net

2188

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