Method sort

Java/HeapSort.java:5–9

(T[] unsorted)

    private HeapSort() { }

    public static <T extends Comparable<T>> T[] sort(T[] unsorted) {
        createHeap(unsorted);
        sortHeap(unsorted);
        return unsorted;
    }

    private static <T extends Comparable<T>> void sortHeap(T[] unsorted) {
        int length = unsorted.length;