ArrayList<>.values.toArray, cast to a custom type array

Question

So imagine I have the following: myList of type ArrayList<CustomType> and I want to convert it to an array, how would I go about this?

I have tried

CustomType[] myArr = (CustomType)myList.toArray();

This compile, no problem but I get a casting exception at runtime. My current solution is iterating through the ArrayList and writing each entry into the array, not good.

Any idea? Thanks.

Answer 1

You have a version of toArray that takes a type

toArray(T[] a)

So you would do:

myList.toArray(new CompositeType[myList.size()]);

Answer 2

myList.toArray(new CustomType[myList.size]);