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It's instructive to (try and) create such a method yourself in order to see what happens. Something along the lines of:



public class Foo<E> {
private E data;

// get() is...

I agree.

You'd think that an ArrayList<Foo> would have commonsense enough to return a Foo[] when told to convert itself toArray(). But all knowledge of its Foo-ness is erased away at runtime. ...

You'll get a runtime exception if you try and cast an array of Object to an array of Player. That's why Collection provides the toArray(T[]) method as well. Try



return...