On Headings, Courses, and Marks

I’ve been a Reddit member for the past 3 years now, but only recently did I discover the /r/StarTrek  subreddit.   I came across a comment about how “bearing 310 mark 215” came up unusually often throughout the different Star Trek series.

“Oh, really?” I wondered.

Lately I’ve been trying to learn to write Android apps but I quickly found that I needed a refresher in Java.   I learned C++ and Java in college, like many CS students, but aside from a short stint with C# at work,  my knowledge of the language has waned over the years.    When I revisited that post on Reddit a few days later, I came up with an idea to bring everything together: