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Hi,

If a variable has to be declared before use, then why the following code works? Since in the class definition x is declared after its use in f().


#include <iostream>using namespace std;
...

Hi,



#include <iostream>
using namespace std;

void f();
extern int x;

In the initialization, is "foobar" an expression? If it is, then I assume that "foobar" first gets evaluated before a copy of the result is assigned to x. Is my thinking correct?


If I declare a...

Thanks for the response.

Is it true to say that array and &array[0] are not equivalent only when: (1) using sizeof(); (2) using the address-of operator (&); and (3) using array as a l-value.
Are...

Hi,

When declaring char array[10], memory is allocated for 10 1-bit memory locations. Is extra memory allocated for storing the address of array[0]? In expressions, is array equivalent to a...

Substitute "1" for "true", then is that statement equivalent to
{ x = 5; } or
x = 5;

Hi,



if(true) x = 5;

// Is the above code equivalent to this
{ x = 5; }

// or this?

Hi,

My definition of a stream is a sequence of data, but it does not really make sense when thinking about stream objects.

For example, "cin >> var;" awaits for the user to input something; and...

Hi,


int i = 1;
void f()
{
i = 2;
}

int main()