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; }

2387

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

Anna University,

1 8471

why all c++ program must have default constructor?

IBM,

6 11383

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 13571

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 5728

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 45255

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

HSBC,

1 4622

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

2009

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

Vimukti Technologies,

2 5212

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

3 7659

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

Dena Bank, ICICI,

2021

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

2615

method overloading means what?

CTS,

2 5765

Child cObj = new Parent() Wahts the output ?

Patni, TCS,

8 19565

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

CTS,

2572

Un-Answered Questions { C++ }

Is c++ an integer?

1035

List the features of oops in c++?

1047

What is a singleton class c++?

1035

Explain the operator overloading feature in C++ ?

1026

What is lambda expression c++?

1058

Do you need a main function in c++?

1119

Show the application of a dynamic array with the help of an example.

1135

What are different oops concepts?

1057

Why c++ is created?

1004

how to get the oracle certification? send me the answer

2157

What is property in oops?

1061

Why c++ does not have finally?

1083

What do c++ programmers do?

1056

What can I safely assume about the initial values of variables which are not explicitly initialized?

1055

What is the correct syntax for inheritance a) class aclass : public superclass b) class aclass inherit superclass c) class aclass <-superclass

1188

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