Movement.java

public class Movement implements Comparable
{
    public Node node;
    public int movementCost;
    private int heuristicCost;

    public Movement(Node node, int movementCost, int heuristicCost)
    {
        this.node = node;
        this.movementCost = movementCost;
        this.heuristicCost = heuristicCost;
    }

    public int getTotalCost()
    {
        return movementCost + heuristicCost;
    }

    public int compareTo(Object o)
    {
        Movement cNode = (Movement) o;
        return new Integer(getTotalCost()).compareTo(cNode.getTotalCost());
    }
}