O* p = new O[5]; What does p point to?

Question

To the first O of the array?

Answer 1

Yes.

Answer 2

Exactly. *p and p[0] are the same. Here are some neat features you want to know:

• "Pointer notation" generally refers to using the 'dereference' (or 'indirection') operator
• "Array notation" generally refers to using the brackets and offset value

You can represent an address in memory using either interchangeably:

• *p is equivalent to p[0]
• *(p+1) is equivalent to p[1], and more awesomely also equivalent to 1[p]

NOTE:

• As noted in another response, the general form is that *(p+i) is equivalent to p[i]
• Also, please don't use i[p]