the name and the address of someone and then attaching it to the front part of the list. So we talked about why that was the easiest thing to do and I’m gonna just re-draw this picture again because we’re gonna need it as we go through and do stuff. Here’s the main stack frame. It’s got this pointer list, which is expected to point to an entry out in the heap. It starts pointing at null. We have this local variable down here, new one that is also a pointer to an entry and based on the result from get new entry, which will either return null to say there’s no more entries or a new heap allocated thing if it gives us this new entry that says here’s Jason and his phone number. ...

See the whole transcript at Programming Abstractions- Lecture 13