>It is generally desirable to keep invalid objects properly typed I think that's the bigger issue in Java. `int` can't be used in generics, so now you use the

>It is generally desirable to keep invalid objects properly typed I think that's the bigger issue in Java. `int` can't be used in generics, so now you use the boxed type `Integer` which needs to be checked on each use, which depending on the usage is a lot of work. If Java had proper generics without this workaround, we wouldn't have nearly as many issues.