Java&#x27;s standard lib uses Timsort for sorting Object[], and quicksort for arrays of primatives.<p><a href="http:&#x2F;&#x2F;stackoverflow.com&#x2F;questions&#x2F;4018332&#x2F;is-java-7-using-tim-sort-for-the-method-arrays-sort" rel="nofollow">http:&#x2F;&#x2F;stackoverflow.com&#x2F;questions&#x2F;4018332&#x2F;is-java-7-using-t...</a>