private void Test() {

		ArrayList<E> bTester = new ArrayList<E>();

		inOrder(bTester);
		System.out.println("inOrder: " + bTester + "\n");
		bTester.clear();

		preOrder(bTester);
		System.out.println("preOrder: " + bTester + "\n");
		bTester.clear();

		postOrder(bTester);
		System.out.println("postOrder: " + bTester + "\n");
		bTester.clear();

	}