C++ arrays and size

If I have for example the following array declaration: int a[5];, this means that I have an array "a" that holds 5 integer variables.

Wouldn't it be in memory something like this (See the \0)?

|0|1|2|3|4|\0|

So, in this case, do I still say that a[] is of size 5 or should I say it is of size 6?

And, if I copy it to the arra开发者_JAVA技巧y: int b[4] what will happen in this case? What will happen to the integer variable in location 4 of a[], will it overwrite \0?

Thanks.

Arrays are not, in general, automatically zero-terminated. C strings are zero-terminated, but this is not a C string.

There are only |0|1|2|3|4| in the memory, not the sixth one. So the size is 5.

Great explanation of arrays for beginners.