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 4) |
| local variable | free floating variable |
| stack frame | (not represented) |
The effect of resetting references.
When having students implement a LinkedList in Java.
A pain to cut out all the papers. No increase in class time needed.
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A notional machine is a pedagogic device to assist the understanding of some aspect of programs or programming.
