Heres how to remove duplicates from an unordered primitive int array on Java using streams.

You can find the complete code for this here: remove_dupes_unordered_the_smart_way.jsh.

Consider the following straight forward problem, you receive a primitive int array and you need to return a new array only containing the unique elements.

Because we are using streams since 2014 and we know that a Set does not accept duplicates, we only need to collect the array into a set and back into an array.

int[] removeDupes(int arr[]) {

The boxed method just returns an Integer stream instead of a primitive one.

Download the complete code from this post here: remove_dupes_unordered_the_smart_way.jsh.