Indu

• Sep 27th, 2013

As It uses the memory of the biggest size for all Variables, It overwrites the value.

Answer Question  Select Best Answer

Which of the following statements accurately describe unary postfix operator++ overloading in C++?A. It can be overloaded with no parameters when the operator function is a class member.B. It can only be overloaded if the operator function is a class member.C. It can be overloaded with one parameter when the operator function is free standing function (not a class member).D. To overload it at least...

preethi

• Sep 14th, 2013

D

ajrobb

 Profile Answers by ajrobb Questions by ajrobb

• Sep 22nd, 2010

DA. It can be overloaded with no parameters when the operator function is a class member.No. As a class member it must have one dummy parameter:class A { A operator++(int); }; B. It can only be over...

Answer Question  Select Best Answer

Pooja

• Aug 26th, 2013

There are 6 main types of file opening mode: 1) "r". Open file for reading and file must exist; 2) "w" Open file for writing. If file does not exist it is created or if life already exist its ...

Answer Question  Select Best Answer

Packaging an object’s variables within its methods is called encapsulation.

Ramya

• May 31st, 2013

OOPs concept that binds the data along with function which manipulates the data.

sakshi

• Oct 4th, 2012

The wrapping up of data and code into a single entity is known as encapsulation.It is a way to implement data abstraction

Answer Question  Select Best Answer

Abstraction is of the process of hiding unwanted details from the user. 

Ramya

• May 31st, 2013

Mechanism of exposing only the interface and hiding the implementation data from user.

mukrram ur rahman

• Dec 10th, 2012

Abstraction exactly involve the process of involving relevant things while ignoring the irrelevant things.

Answer Question  Select Best Answer

SURESH KUMAR KOLLIMALLA

• May 10th, 2013

By using dangling pointer we can access the values at the deallocated memory here, in the below code the memory allocated for variable n will be dealloeated as and when the control transfers from func...

ishwar

• Oct 19th, 2011

Dangling pointers arise when an object is deleted or deallocated, without modifying the value of the pointer, so that the pointer still points to the memory location of the deallocated memory.

Answer Question  Select Best Answer

Write a program for four atrithmetic operations in matrix using operator overloading.

JoolsL

• Nov 19th, 2012

In both the above answers the op overloads should be using a const ref as input. You should have a (private) ctor that makes the matrix from the data, and should use RVO in the return.

binoy

• Aug 23rd, 2012

Code
#include<iostream.h>
#include<conio.h>
/* function to check whether the order of matrix are same or not *//* function to read data for matrix*/"enter the number of rows
""enter the number of columns
""enter the elements of the matrix
"/* function to add two matrix *//* function to subtract two matrix *//* function to display the contents of the matrix */" "/* main function */"Addition of matrices
""the result is
""subtraction of matrices
""The result is 
""order of the input matrices is not identical
"

Answer Question  Select Best Answer

k.raghu06

 Profile Answers by k.raghu06 Questions by k.raghu06

• Oct 30th, 2012

Yes, delay can be produced using the loops. but the delay cannt be same on all processors. That means, each processor shall have its own speed of executing an instruction. hence the execution speed in...

Answer Question  Select Best Answer

Bishoy

• Oct 20th, 2012

Local variables are stored in stack - each method have a stack frame (a fixed size of memory in the stack) that is allocated for local variables each time the method is called, and deallocated when th...

Ramanuj

• Oct 20th, 2012

Hi,

I have a query. The lifetime of the static variable is the entire program - if it is a local auto variable (i.e., not dynamically allocated), will it contribute to the peak memory ?

Regards,
Ramanu

Answer Question  Select Best Answer

I am a slow learner so i would like to have answers that are simple in words but brief.

sakshi

• Oct 4th, 2012

Code
span style="color: #ff0000;">"factorial of the no :"+f);
 
Console.ReadKey();
}

Anugya Singh

• Sep 4th, 2012

Code
#include<iostream.h>
#include<conio.h>
"Enter the Number whose factorial value is to be find 
""Fctorial is "<<f;
getch();
}

Answer Question  Select Best Answer

Why does 'float' accept 'int' but not 'char'?

Appar

• Sep 24th, 2012

Float variable can hold both of the variables either char or int.

Anugya Singh

• Sep 4th, 2012

There is nothing wrong in this coding because character c will accept the value a and due to swapping the floar k will accept the ASCII code of the letter a which is 97.......So the value of k is 97.

Answer Question  Select Best Answer

Why empty declaration of a class holds memory 1 byte. Explain briefly?

Nil

• Aug 5th, 2012

Different objects must have different addresses.

Code
span style="font-style: italic;">// This line must never run.

Answer Question  Select Best Answer

How to assign function pointer to static function?

ak.nextptr

 Profile Answers by ak.nextptr Questions by ak.nextptr

• Jul 31st, 2012

If int fn(char ch,int a) is static function then
function pointer type to above static function will be
int (*)(char , int )

cooder

• Apr 26th, 2012

Using the class name. In case of non static function we need to use the this pointer.

Answer Question  Select Best Answer

/*assume contents are sorted*/Public static intbinarySearch(int x,int a[]){int low=0; 0(1)int high=a.length-1; 0(1)int mid; 0(1)while(low>x;while(x!=99){n++; 0(1)sum+=x; 0( n/x)cin>>x;}mean - sum/n;what is the running time?Please help me understand it. The websites are not that helpful to me. Please. Please if you're not that busy can you please answer it with explanations?:) :) :) THANK YOU!!

Sereche

 Profile Answers by Sereche Questions by Sereche

• Jul 9th, 2012

This seems to be a question about time complexity / big-O notation. Time complexity basically tells you how the program running time scales, as a function of one of the variables of input (in most cas...

Answer Question  Select Best Answer

Why we follow top down approach in C-language and bottom up approach in C++?Explain in detail.

random viewer

• Jun 11th, 2012

The question is wrong. In most cases, regardless of the language, top down is the better approach. Actually TDD forces this. You must first know what you want, that is, how the client code will use it, before you can design it. Always top down. Just remember that.

Paul_Singh

 Profile Answers by Paul_Singh Questions by Paul_Singh

• Feb 7th, 2012

When designing solution in an object orientated language you start by defining the lowest key players, or entities, and then begin describing how they interact. This is bottom up. In C which is a func...

Answer Question  Select Best Answer

How does a process generates Child process using Fork() function.The concept of it.

For example: A process execute the code
fork()
fork()
fork()

Total Number of "child" process created is/are ?

Amit G

• May 29th, 2012

2^3 = 8 , agreed -> but 1 will be the parent process , so the child processes is 7

Barun

• May 25th, 2012

The number of Child Processes Created would be
2^(No. of Fork() functions called)

So in the example given it would be
2^3 = 8 Child Processes

Answer Question  Select Best Answer

Program to find inverse of nth order square matrix?(c++)

Sandhya.Kishan

 Profile Answers by Sandhya.Kishan Questions by Sandhya.Kishan

• May 29th, 2012

Void trans(float num[25][25],float fac[25][25],float r)

{
int i,j;
float b[25][25],inv[25][25],d;
for(i=0;i

Answer Question  Select Best Answer

c class base
{
public:
virtual void display()
{
cout

Vipin

• May 1st, 2012

4 bytes since virtual pointer takes 4 bytes.

Answer Question  Select Best Answer