Answers for "dereferencing pointer in cpp"

dereferencing pointer in cpp

int x = 5;
int *p = &x;

x = x + 4;
x = *p + 4;
*p = *p + 4;

cout << x; //Output is 17

c++ dereference a pointer

int number;
int value;
int * pNumber;

number = 5;
pNumber = &number;

assert(pNumber); // check before dereferenceing to prevent errors
value = *pNumber // Use * to dereference the pointer

dereference pointer c++

int variable = 10;
int *pointer = &variable; // Use & to get pointer of variable

value = *pointer; // Use * to dereference the pointer
// value should equal 10