Tutorials Point


  Java Basics Examples
  Java Tutorial
  Java Useful Resources
  Selected Reading

© 2011 TutorialsPoint.COM


  Home     References     Discussion Forums     About TP  

Java Examples -Solving Tower of Hanoi


previous next AddThis Social Bookmark Button


Problem Description:

How to use method for solving Tower of Hanoi problem?

Solution:

This example displays the way of using method for solving Tower of Hanoi problem( for 3 disks).

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);
      }
   }
}

Result:

The above code sample will produce the following result.

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


previous next Printer Friendly



  

Advertisement

Online Image Processing

Indian Baby Names