I read about Java’s type erasure on Oracle’s website. When does type erasure occur? At compile time or runtime? When the class is loaded? When the class is instantiated? A lot of sites (including the official tutorial mentioned above) say type erasure occurs at compile time. If the type information is completely removed at compile … Read more
What’s the reason why Java doesn’t allow us to do private T[] elements = new T[initialCapacity]; I could understand .NET didn’t allow us to do that, as in .NET you have value types that at run-time can have different sizes, but in Java all kinds of T will be object references, thus having the same … Read more
It’s a sad fact of life on Scala that if you instantiate a List[Int], you can verify that your instance is a List, and you can verify that any individual element of it is an Int, but not that it is a List[Int], as can be easily verified: scala> List(1,2,3) match { | case l … Read more
What’s the reason I can’t create generic array types in Java?