Inheritance 1

abstract class Plane
{
    protected  int memberID = 0; //protected inseamna ca si subclasele au acces la ele, nu mai ai nevoie de functie
    private int EnginePower;
    protected static int counter = 0;

    public Plane(int EnginePower)
    {
        this.EnginePower = EnginePower;
        this.counter++;
        this.memberID = counter;
    }

    public String GetPlaneID()
    {
        return String.valueOf(memberID);
    }

    public int getTotalEnginePower()
    {
        return EnginePower;
    }

    public void takeOff()
    {
        System.out.println(this.memberID + " takeOff!\n");

    }

    public void land()
    {
        System.out.println(this.memberID + " land!\n");
    }

    public void fly()
    {
        System.out.println(this.memberID + " fly!\n");
    }
}
//---------------------------------------------------------------
abstract class Passenger extends Plane
{
    private int maxPassengers;

    public Passenger (int maxPassengers, int EnginePower)
    {
        super(EnginePower); //super takes the information to the super class, so it goes back to Plane
        this.maxPassengers = maxPassengers;

    }

    public int getMaxPassengers()
    {
        return maxPassengers;
    }

}

class Concorde extends Passenger
{
    public Concorde(int maxPassengers, int EnginePower)
    {
        super(maxPassengers, EnginePower); //goes back to Passenger

    }

    public void goSuperSonic()
    {
        System.out.println(this.memberID + " Supersonic mode activated!\n");
    }
    public void goSubSonic()
    {
        System.out.println(this.memberID + " Supersonic mode deactivated!\n");
    }
}

class Boeing extends Passenger
{
    public Boeing(int maxPassengers, int EnginePower)
    {
        super(maxPassengers, EnginePower);

    }

}
//---------------------------------------------------------------
abstract class Fighter extends Plane
{
    public Fighter(int EnginePower)
    {
        super(EnginePower);
    }

    public void launchMissile()
    {
        System.out.println(this.memberID + " Launching rocket!\n");
    }

}

class MIG extends Fighter
{
    public MIG(int EnginePower)
    {
        super(EnginePower);

    }

    public void highSpeedGeometry()
    {
        System.out.println(this.memberID + " High speed selected geometry!\n");
    }

    public void normalGeometry()
    {
        System.out.println(this.memberID + " Normal selected geometry!\n");
    }
}

class TomCat extends Fighter
{
    public TomCat(int EnginePower)
    {
        super(EnginePower);


    }

    public void refuel()
    {
        System.out.println(this.memberID + " TomCat - Refuelling!\n");
    }
}


//---------------------------------------------------------------
class Main
{
    public static void main(String args[])
    {
        Plane p1, p2, p3, p4;

        p1 = new Concorde(10, 1000);
        p2 = new Boeing(5, 500);

        p3 = new MIG(2000);
        p4 = new TomCat(1500);

        ((Concorde)p1).goSuperSonic();
        ((Concorde)p1).goSubSonic();
        ((Concorde)p1).takeOff();

        ((Boeing)p2).land();

        ((MIG)p3).land();


        ((TomCat)p4).refuel();
        ((TomCat)p4).launchMissile();


    }
}