Lesson 06
(Please ignore this - these are notes for myself for the next iteration of this course)
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TODO: None of the videos clearly addresses the 'null parmaeter' thing!!
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Feedback / Improvements on exericses: (Please ignore this - these are notes for myself for the next iteration of this course) |
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Redo Voting: Several people commented that all the videos were fine
for this week
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This is an outline for the 'BarChart' exercise (which has since been
moved to Lesson 07)
Brief Outline of Video:
(this may or may not be useful to you.
If it is useful, then great!
If it’s not, then please ignore this
J
)
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You’ll work with a class, that
contains an array
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What is a bar chart?
o
Nice computer graphics picture as an
intuitive guide to what a bar chart should look like
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What will your program produce?
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A quick overview of the PrintBarChart
and GetAverage methods
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Constructor –allocates arrays
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Look @ existing methods
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Basic idea: manage an array of values
for you
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Has helper functions to eliminate busy
work & make things more clear
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Has a couple of methods for you to
implement
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Look @ main for examples of usage
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OOP: quickly & easily create several
instances of the Histogram class
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Notice how we can use two objects in
the same code
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OOP packages stuff up nice
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Flow of the program: create
histograms, then test
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Mostly call each method, then verify
results
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Adjust data, then call again |