ハノータ

public class Hanoi {
	/**
	 * Hanoi   
	 */
	public static void main(String[] args) {
		try {
			Scanner s = new Scanner(System.in);
			System.out.print("        n=");
			int n = s.nextInt();
			System.out.println("    ：");
			hanoi(n, 'a', 'b', 'c');
			// String n;
			// InputStreamReader isr=new InputStreamReader(System.in);
			// BufferedReader br=new BufferedReader(isr);
			// System.out.print("        n=");
			// n=br.readLine();
			// hanoi(Integer.parseInt(n),'a','b','c');
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	public static void hanoi(int n, char a, char b, char c) {
		if (n == 1) {
			//        
			System.out.println("Move Disc No:" + n + " from pile " + a + " to "
					+ b);
		} else {
			//   a  n-1     b  c 
			hanoi(n - 1, a, c, b);
			//   a        b 
			System.out.println("Move Disc No:" + n + " from pile " + a + " to "
					+ b);
			//    c  n-1     a  b 
			hanoi(n - 1, c, b, a);
		}
	}
}