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

You could steal a solution based on ArrayUtils

Long[] longObjects = { 1L, 2L, 3L };
long[] longArray = ArrayUtils.toPrimitive(longObjects);