programming-examples/java/Basics/Hanoi Algorithm Recursion.java

Hanoi Algorithm Recursion

 


public class HanoiAlgorithmRecursion {
  public static void movetower( int height, int fromT, int toT, int usingT ) {
    if( height > 0 ) {
      movetower( height - 1, fromT, usingT, toT );
      moveDisk( fromT, toT );
      movetower( height - 1, usingT, toT, fromT );
    }
  }

  public static void moveDisk( int takeoff, int puton ) {
    System.out.println( takeoff + "->" + puton );
  }

  public static void main( String argv[] ) {
    int numberOfDisks = 3;
    movetower( numberOfDisks, 1, 3, 2 );
  }
}