Java/logistics.java at main · Nocturnal720/Java · GitHub

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abstract class Transport
{
    String trackingID;
    String destination;

    Transport(String tid)
    {
        trackingID = tid;
    }

    abstract void dispatch();

}


interface GPS
{
    void getCoordinates();
}

interface Autonomous
{
    void selfNavigate();
}


class deliveryDrone extends Transport implements GPS, Autonomous
{
    deliveryDrone(String tid)
    {
        super(tid);
    }

    public void dispatch()
    {
         System.out.println("Drone " + trackingID + " taking off...");
    }

    public void getCoordinates()
    {
        System.out.println("40.7128° N, 74.0060° W");
    }

    public void selfNavigate()
    {
        System.out.println("Drone navigating autonomously...");
    }


}


public class logistics {
    public static void main(String[] args) {

        //1
        Transport t = new deliveryDrone("D101");
        t.dispatch();

        //2
        GPS g = new deliveryDrone("D101");
        g.getCoordinates();

        // TC 3
        if (t instanceof GPS)
        {
            System.out.println("t supports GPS");
            ((GPS) t).getCoordinates();
        }
        else
        {
            System.out.println("t does not support GPS");
        }
    }
}