Lifetime and scope of variables in the function

Source: Internet
Author: User

The lifetime of a variable in C ++ is not the same as that in VB. the lifetime of a non-static local variable in C ++ is limited to the block where the variable is declared (that isProgramMemory is released when the block is exited.

Class destruct
Int MEM;
Destruct ()
Mem = 0;

~ Destruct ()
{< br> mem ++;
}< BR >};
void main ()
{< br> int * pA = NULL;
{< br> destruct odestruct;
}< br> If (true)
{< br> int A = 10;
Pa = & A;
}< br> for (INT I = 0; I <10; I ++)
{< br> I ++;
}< br> (* pA) ++;
cout <* pA;

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