private static void TrySort()
{
SortBase sort = new InsertSort();
sort.Print("-------- before insert sort ----------");
sort.DoSort();
sort.Print("-------- after insert sort ----------");
SortBase ms = new MergeSort();
ms.Print("-------- before merge sort ----------");
ms.DoSort();
ms.Print("-------- after merge sort ----------");
SortBase hs = new HeapSort();
hs.Print("-------- before heap sort ----------");
hs.DoSort();
hs.Print("-------- after heap sort ----------");
QuickSort qs = new QuickSort();
qs.Print("-------- before quick sort ----------");
qs.DoSort();
qs.Print("-------- after quick sort ----------");
CountingSort cs = new CountingSort();
cs.Print("-------- before quick sort ----------");
cs.DoSort();
cs.Print("-------- after quick sort ----------");
}