Teaching your points 1, 2 and 3 seem to be overlooked in many courses. It's as if they know that you have to do these things, but they don't know why. As if "Oh

Teaching your points 1, 2 and 3 seem to be overlooked in many courses. It's as if they know that you have to do these things, but they don't know why. As if "Oh, you have to do this because polymorphism." I think if they took a single lecture to teach these specific points of OO, we'd get more effective developers straight out of school.