package sim.app.tutorial5;public class Band implements java.io.Serializable    {    public double laxDistance;    public double strength;        public Band(double laxDistance, double strength)        { this.laxDistance = laxDistance; this.strength = strength; }    // Bean Properties for our Inspector     public void setStrength(double val) { if (val > 0) strength = val; }    public double getStrength() { return strength; }    public void setLaxDistance(double val) { if (val >= 0) laxDistance = val; }    public double getLaxDistance() { return laxDistance; }    }