Java convert Arraylist to float[]

Question

How I can do that?

I have an arraylist, with float elements. (Arraylist )

(float[]) Floats_arraylist.toArray()

Answer 1

You can use Apache Commons ArrayUtils.toPrimitive():

List list = new ArrayList();
float[] floatArray = ArrayUtils.toPrimitive(list.toArray(new Float[0]), 0.0F);