### Question:
LearnSort { private static void swap(int i, int j, @NotNull int[] array) { int temp = array[i]; array[i] = array[j]; array[j] = temp; }  static int[] insertSort(int[] array); static int[] shellSort(int[] array); static int[] selectionSort(int[] array); static int[] heapSort(int[] array); static int[] bubbleSort(@NotNull int[] array); static int[] quickSort(@NotNull int[] array); static int[] mergingSort(int[] array); static int[] radixSort(@NotNull int[] arr); final static int[] originalArray; }### Answer:
@Test public void testSwap() throws Exception { }