Method print

java/Chapter 4/Question4_9/Question.java:45–50

(int[] path, int start, int end)

	}

	private static void print(int[] path, int start, int end) {
		for (int i = start; i <= end; i++) {
			System.out.print(path[i] + " ");
		}
		System.out.println();
	}

	public static void main(String [] args){
		TreeNode root = new TreeNode(5);