I worry about it because I learned inheritance from using it. I wish I had learned from a teacher. Instead I made hack work-arounds for something that I didn'

I worry about it because I learned inheritance from using it. I wish I had learned from a teacher. Instead I made hack work-arounds for something that I didn't realize was a common feature of OO languages. Until one day I did some poking and said "oh, THAT'S what extends and implements is for!"