I wasn't talking about generics, I was talking about the `List` interface and its implementations (`ArrayList` and co). Don't they provide a common interface th

I wasn't talking about generics, I was talking about the `List` interface and its implementations (`ArrayList` and co). Don't they provide a common interface that doesn't leak like the rectangle/square example does? Also, I posed a question asking if I'm wrong in thinking something, was a downvote really warranted? (Not you specifically, but whoever downvoted)