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what is use to destroy an object? illustrate.
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Answer / rakhi
Object is distroyed when it goes out of the scope and it
can be distroy with its default destructor.
| Is This Answer Correct ? | 18 Yes | 0 No |
Answer / sujatha
object can be destroyed by using DESTRUCTORS
EX:
class A
{
int p;
public:
A(int x)
{
x=p;
cout<<"constructor is called memory is allocated to
variable x\n";
}
void show()
{
cout<<"x="<<x;
}
~A()
{
cout<<"destructor called and deaalocte memory occupied by
x\n";
}
};
void main()
{
A a1(10);
a1.show();
}
output
constructor called memory is allocated to variable x
x=10
destructor called and deaalocte memory occupied by x
| Is This Answer Correct ? | 9 Yes | 0 No |
Answer / sweety
An object is destroyed to make memory available for further
use by any other object. and this can bo done by using
destructors.
| Is This Answer Correct ? | 5 Yes | 0 No |
Answer / safe
an object is destroyed to make memory free which is
allocated by object. it can automatically done by destructor
(default destructor)if we dont call a destructor.
| Is This Answer Correct ? | 4 Yes | 1 No |
Answer / sumeet sharma
Simple a destructor function is used for it.
it takes the resources acquired by the object.
it is called when the object goes "out of scope"
| Is This Answer Correct ? | 1 Yes | 2 No |
what is the abstract class,interface ,its difference with a programatic eg.? hi,recently i went for an interview they ask me what is abstract class ,interface and its difference I said abstract class contain abstact method ,abstract method is a method with no body.Abstract class cannot be instantiated.Abstract class is a base class it required derived class for the implementation of method. Interface is a syntactical contract that all derived class should follow it define properties ,method,events which are known as member of interface. Then They asked me what is the difference between them. I said abstract class interface 1.abstact class can implement method 1.interface cant 2.abstact class can contain constructor, 2.interface cant destructor 3.abstract class cannot support multiple 3.interface support inheritance etc Then they said some different answer I said dont no. Then they ask me when i should make abstract class for an project and when i should make interface. I said if suppose there is two class which must be having method with different logic then we sholud make abstract class. and if suppose we have two class having method .with different logic then we can make interface . Am i correct with my explaination.if not correct me .please provide me that when should we create abstract class and interface and what is difference .please help me
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