Talk:Generics in Java

Reflection example not correct

I removed the following text, as it isn't correct:

It is possible to work around this limitation to some extent by using Java's reflection mechanisms. If an instance of class T is available, one can obtain from that object the Class object corresponding to T and use java.lang.reflect.Array.newInstance to create the array.

Let's say I have toArray(List<T> list) with at least one element. I call this using a List&ltNumber&gt containing Integers and Floats. Array.newInstance() using my first element of my list (which an instance of class Number) I end up with an array of type Integer[]. When I try to add a Float to the array, my program will fail with an error.

Now, it is possible if I pass in a Class<T> as in toArray(List<T> list, Class<T> clazz). Calling Array.newInstance(clazz, list.length()) will work just fine. However, I don't think it's worth mentioning this in the actual article. —Matthew0028 07:50, 11 December 2006 (UTC)[reply]

Anti-Java bias

This article only tells what the problems are with Java generics. It doesn't even tell you how to use any of the generic features, like the For-next loop or autoboxing. —The preceding unsigned comment was added by Ed Poor (talk • contribs) 22:30, 7 February 2007 (UTC).[reply]