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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 8461

why all c++ program must have default constructor?

IBM,

6 11369

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 13564

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 5722

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 45234

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

HSBC,

1 4611

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

2008

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

Vimukti Technologies,

2 5205

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

3 7653

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

Dena Bank, ICICI,

2017

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

2611

method overloading means what?

CTS,

2 5756

Child cObj = new Parent() Wahts the output ?

Patni, TCS,

8 19555

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

CTS,

2568


Un-Answered Questions { C++ }

In which situation the program terminates before reaching the breakpoint set by the user at the beginning of the mainq method?

1066


Question: Write a program that prints a paycheck. Ask the program user for the name of the employee, the hourly rate, and the number of hours worked. If the number of hours exceeds 40, the employee is paid “time and a half”, that is, 150 percent of the hourly rate on the hours exceeding 40. Be sure to use stepwi se refine ment and break your solution into several functions. Use the int_name function to print the dollar amount of the check.

1239


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 total number of disk writes by MySQL.

2444


When we use Abstract Class and when we use Interface?where we will implement in real time?

2177


Is the declaration of a class its interface or its implementation?

1166


Are php strings immutable?

1053


Is vector a class in c++?

1039


How is objective c different from c++?

1245


Describe the process of creation and destruction of a derived class object?

1113


Who invented turbo c++?

1064


write a corrected statement so that the instruction will work properly. if (4 < x < 11) y = 2 * x;

2003


i=20;k=0; for(j=1;k-i;k+=j<10?4:3) { cout<

1848


How the programmer of a class should decide whether to declare member function or a friend function?

1118


What is pointer -to-members in C++? Give their syntax?

1024


What are the four main data types?

1083