import org.coinor.opents.*;public class MySwapMove implements Move {    public int customer;    public int movement;            public MySwapMove( int customer, int movement )    {           this.customer = customer;        this.movement = movement;    }   // end constructor            public void operateOn( Solution soln )    {        int[] tour = ((MySolution)soln).tour;        int   pos1 = -1;        int   pos2 = -1;                // Find positions        for( int i = 0; i < tour.length && pos1 < 0; i++ )            if( tour[i] == customer )                 pos1 = i;        pos2 = pos1 + movement;                // Swap        int cust2 = tour[pos2];        tour[pos1] = cust2;        tour[pos2] = customer;    }   // end operateOn            /** Identify a move for SimpleTabuList */    public int hashCode()    {           return customer;    }   // end hashCode    }   // end class MySwapMove