I just have a few quick questions. So first, I was wondering how do I go about creating these? I was thinking of making a new object in the function, copying the int array(The original called object) to the newly declared int array, looping through the copied array to add 1 to each digit, then returning the object I declared in my function. Then for the second, it's a similar process, but I return the original object used rather than the new one I copied to. Is this a fair way to think about it??

Also, I was wondering why does the postincrement operator takes an int paramter while the other doesn't? What is this int for? Thanks! If you need more info, let me know!