convert Long[] to long[] (primitive) java

Question

How do i convert Long[] to long[]? For example i know how to convert if it is not array as below.

long ll = (Long)Object[1].longValue()

But how

Answer 1

Thanks for everyone's answer; I am just pasting my final chosen solution.

List longObjects = new ArrayList();

long[] longArray2 = ArrayUtils.toPrimitive(longObjects.toArray(new Long[longObjects.size()]));