<https://larryullman.com/forums/index.php?/topic/3330-ch-7-strategy-patern-uml/#comment-20264>
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"Sorry, John, for the delayed reply. My summer has been wonky. Do you still need help here? And thanks for the feedback. I've made a note of that for a future edition.  "
<https://larryullman.com/forums/index.php?/topic/3330-ch-7-strategy-patern-uml/#comment-20178>