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What is friend function?
Purbita Biswas
- Oct 8th, 2011
A friend function is a function that is not a member of a class but has access to the private and protected members of the class. A friend declaration can be placed anywhere in the class declaration. ...
suganyayaso
- Mar 13th, 2009
A friend function is used for accessing the non-public members of a class. A class can allow non-member functions and other classes to access its own private data, by making them friends. Thus, a friend function is an ordinary function or a member of another class.
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Write a program to concatenate two strings.
sojitra.Ankit.k
- Sep 22nd, 2011
Code- #include<iostream.h>
- #include<conio.h>
- #include<string.h>
- #include<stdio.h>
renji_reshma
- Oct 1st, 2007
#include<stdio.h>#include<conio.h>#include<string.h>void main(){char name[50],fname[15],sname[15],lname[15];int i,j,k;clrscr();printf("First name:");gets(fname);printf(&quo...
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What is public, protected, private?
SHIVANI
- Sep 20th, 2011
* Public variables, are variables that are visible to all classes. * Private variables, are variables that are visible only to the class to which they belong. * Protected variables, are variables that...
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Explain data abstraction and data encapsulation with example. Give differences between these two.
Priya Emani
- Sep 8th, 2011
Abstraction means giving usefull information , encapsulation means hiding unecessary information.
encapsulation
class person
{
private String name;
public void main()
{
System.out.println(""+name);
}
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C++ Single Program
Write a program in C++ using encapsulation, inheritance, polymorphism and abstraction all the concepts should come in a single program.
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Array Question
If there are 2 arrays named as test & sample with 20 integer elements in each of these declared as
int test[20],
sample[20],
then which of the following statement is wrong?
a)test=sample
b)sample=test
c)Both a & b
d)none of the above -
OS, OOPS - Technical Interview Questions
1. What is OS?2. What is Data Structures?3. What is the function of OS?3. Tell about oops concept?4. State differences between C++ & Java?7. Write a program to count the number of occurrences 'accenture' in a file?
vijayalakshmi
- Aug 18th, 2011
OS-Operating System
OS is a software program that act as a interface between Computer Hardware and the Usersubang
- Jan 17th, 2010
1. What is OS?Ans: OS(OperatingSystem) acts as an interface between the user and the machine(CPU),since the user can't directly CPU because its coding are in non-readable format to the humans.2. What ...
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What are Virtual Functions? How to implement virtual functions in "C"
ramyajaya
- Jun 2nd, 2011
virtual functions are used to avoid overriding, when a function in the base class is said as virtual then the same function name when being used in the derived class, even then the function in derived...
stman
- Jul 11th, 2007
In C you would use an array of pointer-to-functions and call the functions by using the array index.
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1.why do we need encapsulation?2. what is a class in C++ analogous to in C
RAJEEV16706
- Sep 8th, 2006
WELL DESIGNED MODULES ALWAYS HIDES ALL OF ITS IMPLEMENTAIONS DETAILS. MODULES THEN COMMUNICATE WITH EACH OTHER ONLY THROUGH API's UNKNOW TO EACH OTHER INNER IMPLEMENTATIONSPROPER USE OF ACCESS MODIFIE...
Raja Muthusamy
- Jun 16th, 2006
In order to bind the data and functions working on it and to safegaurd our data and funtcions from outside access (access from the other objects) we need Encaptulations.
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Generalisation Approach Advantages and Disadvantages
What are advantages and disadvantages of various approaches to generalisation in program design?
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Difference Between Aggregation and Composition
What is the difference between Aggregation and Composition?(Asked in Polaris Interview for Java Experienced People, on April 11, in Chennai)
sunilchandel
- Feb 25th, 2011
Composition:- All forms of composition include a has-a relationship.There is two type of composition : association and aggregation.Aggregation :- complex object is composed of other objects. e.g TV As...
beekal
- May 25th, 2010
Composition gives a part of relationship e.g Engine ----------------------- part of ------------------------------CArDestroy car then engine would be automatically destroyed along with car. In such ca...
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What is Memory Alignment?
stylonurus
- Jan 9th, 2011
One way to align global or static variables is to use the __align qualifier. I got this example from an IBM Linux Compiler site. I think aligning data may be compiler dependant. In this example t...
RyanJames
- May 8th, 2007
Memory alignment is the restriction imposed on memory allocation in such a way that values associated with multibyte get assigned only at certain places of memory. Such Memory alignment though general...
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What is the use of Operator Overloading?
navneetgoyal2000
- Jan 5th, 2011
Feature of operator overloading has been given, to make your class' behaviour as close as to basic datatype.As in case of basic data type, you can say:int i = 5;int i1 = j = k = 6;int k1 = 6.5;k1 ...
whenkeys
- Aug 11th, 2008
Do any operation symbolizing the operator in your class.you can add/subtract/multiply/divide or do any other operation for +operator() the choice is entirely yours.Freedom you see
OOPS Interview Questions
Ans