2) c) Add the standard head, tail, filter, size and map collection methods for your linked list. Can you implement any of these using lazy values? Which of these should be implemented in the parent class from exercise 5 versus being implemented in its subclasses?
This should be "exercise b", not "exercise 5"
4) channel.noteOn(50, 80); Thread.sleep(250); channel.noteOff(30)
One ought to be turning off the same notes they turned on, so the last call should read "channel.noteOff(50)".
4) Assume we only ever need one instance, ever, with the volume set to 95)
That close-parenthesis should be a period.