public static void countSwaps(List<Integer> a) {

		int swaps = 0;

		for (int i = 0; i < a.size(); i++) {
			for (int j = 0; j < a.size() - 1; j++) {
				if (a.get(j) > a.get(j + 1)) {
					a.set(j + 1, a.set(j, a.get(j + 1)));
					swaps++;
				}
			}
		}

		System.out.println("Array is sorted in " + swaps + " swaps.");
		System.out.println("First Element: " + a.get(0));
		System.out.println("Last Element: " + a.get(a.size() - 1));

	}