public class MainClass { public static void main(String[] args) { int nDisks = 3; doTowers(nDisks, 'A', 'B', 'C'); } public static void doTowers(int topN, char from, char inter, char to) { if (topN == 1){ System.out.println("Disk 1 from " + from + " to " + to); }else { doTowers(topN - 1, from, to, inter); System.out.println("Disk " + topN + " from " + from + " to " + to); doTowers(topN - 1, inter, from, to); } } }
Disk 1 from A to C Disk 2 from A to B Disk 1 from C to B Disk 3 from A to C Disk 1 from B to A Disk 2 from B to C Disk 1 from A to C