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What is the difference between declaration and definition?
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Answer Posted / rajesh manem
Ans: The declaration is means the memory is not yet all to
be allocated..
For example:
Int a; //is it declaration? Or definition?
Just check this
Int main()
{
Int I;
Printf(“%d”,i);
}
It prints the garbage value that means the memory is
allocated for this declaration so we can say that this int I
is both declaration and definition.
And take another example extern int I -- declaration
because no memory is allocated.
Similarly for function prototypes all are declarations.
In the case of class declaration String s; // Declaration
[because reference is created]
When the new keyweord encounters then it is definition
String *s=new Stirng(); //declaration and
definition
| Is This Answer Correct ? | 38 Yes | 4 No |
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