These applets are used in lectures to introduce loop constructs.
The important thing with these examples is that you understand how the results are generated from the code. A good way to do this is to dry run the code, some you might be able to dry run in your head, others you'll need to do on paper.
|TAloop0||A First Loop|
|TAloop1||A Second Loop|
|Loop2||A for loop to draw lines|
|Loop3||Another line drawer|
|SinWave||A Sine Wave|