1. Arrays & Refs
imperative / Java
Representation
Collected by Colleen Lewis — Own practice
Helps students plan code; avoids confusion of crossed out arrows.
| PL | NM |
|---|---|
| ... | (all aspects of Physical Java 1) |
| object | object type written/underlined in a rectangle |
| int | number written in a small box |
| instance variables | shown in an object |
The effect of resetting references.
When having students implement a LinkedList in Java.
Creating the physical model is a lot of work.
Do you have feedback on this notional machine? Did you find a mistake, or do you have a request for improvement? You can create an Issue on GitHub, where the description is hosted. This way we can see your feedback and address it.
For this, you need a GitHub account. Then follow this link to see the source file of this page. In there, click the ... left of the highlighted line, then pick "Reference in a new issue".
A notional machine is a pedagogic device to assist the understanding of some aspect of programs or programming.
