In one of the first posts on this blog I have discussed the problem of type checking (or lack of it) in some of Java collections even when using generics. Today I want to show you a similar issue that can break the type safety in your code. It’s a problem that can cause a [...]
Converting a Collection<T> to an array
If you have been using Collections in Java 5 you probably have stumbled upon a problem of converting a given Collection<T> into an array of type T. In the Collection interface, there is a method called toArray() which returns an array of type Object[]. But then, if since Java 5 Collections are using generics, shouldn’t [...]