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What is the output of the following code:
int v()
{
int m=0;
return m++;
}
int main()
{
cout<<v();
}
1) 1
2) 0
3) Code cannot compile
- 4 Answers
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Answer Posted / shailaja
the output of this code is
0
bcz here the return statement it will stops the execution
and returns to the calling function.
| Is This Answer Correct ? | 8 Yes | 0 No |
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What do you mean by abstraction?
Following are the class specifications: class {int a}; class {int b}; Using friend funtion,calculate the max of two objects and display it.
Which language is not a true object oriented programming language?
i=20;k=0;
for(j=1;k-i;k+=j<10?4:3)
{
cout< How long to learn object oriented programming? What is abstraction in oops with example? What is use of overloading? Write a program to sort the number with different sorts in
one program ??
How does polymorphism work? What is class and object with example? Question In a class, there is a reference or pointer of an
object of
another class embedded, and the memory is either allocated
or assigned to the new object created for this class. In
the constructor, parameters are passed to initialize the
data members and the embedded object reference to get
inialized. What measures or design change should be advised
for proper destruction and avioding memory leaks, getting
pointers dangling for the embedded object memory
allocation? Please suggest.
Question Submitted By :: Sunil Kumar
I also faced this Question!! Rank Answer Posted By
Re: In a class, there is a reference or pointer of an
object of another class embedded, and the memory is either
allocated or assigned to the new object created for this
class. In the constructor, parameters are passed to
initialize the data members and the embedded object
reference to get inialized. What measures or design change
should be advised for proper destruction and avioding
memory leaks, getting pointers dangling for the embedded
object memory allocation? Please suggest.
Answer
# 1 use copy constructors
0 Shanthila
There is something to be taken care in destructor, in copy
constructor, suppose the memory is assigned to the embedded
member object pointer with the parameter passed value, but
if some other objects of different class also are pointing
to this memory, then if some one deletes the object then
this class member pointer object will become dangling, or
if the object is not deleted properly then there will be
memory leak. Please suggest the design change required to
handle or avoid this situation what are the ways in which a constructors can be called? What is class encapsulation? What is difference between abstraction and encapsulation? What is the real life example of polymorphism?
