2. Pointer vs referinte

Question 1

int i = 10;
int *p = &i;

Answer 1

Da

Question 2

int i = 10;
int &refI = i;

Answer 2

Da

Question 3

int i = 10;
int *p;

Answer 3

Da

Question 4

int i = 10;
int &refI;

Answer 4

Compile error –
uninitialized reference

Question 5

int i = 10;
int j = 20;
int *p = &i;
p = &j;

Answer 5

Da

Question 6

int i = 10;
int j = 20;
int &refI = i;
&refI = j;

Answer 6

Compiler error – trying
to change a reference
that was already
initialized.

Question 7

int i = 10;
int j = 20;
int p = &i;
p++;
(p) = 30;

Answer 7

Da

Question 8

int i = 10;
int j = 20;
int &refI = i;
refI++;
(&refI)++;

Answer 8

Eroare ultima linie

Question 9

int i = 10;
char *p = (char *)&i;

Answer 9

Da

Question 10

int i = 10;
char &refI = i;

Answer 10

Eroare

Question 11

int i = 10;
int *p = &i;
int *p_to_p = &p;
**p_to_p = 20;

Answer 11

Da

Question 12

int i = 10;
int &refI = i;
int & &ref_to_refI = refI;

Answer 12

Eroare

Question 13

int *p[100];

Answer 13

Da

Question 14

int &ref[100];

Answer 14

Nu

Question 15

int *p = &int(10);

Answer 15

Da

Question 16

const int &refI = int(12);

Answer 16

This code will not compile if the
“const” specifier is not used as it
refers to a constant numerical
value.

Question 17

const int &refI = int(12);
int *p = (int *)&refI;

Answer 17

Da