Module1.java/app.java at main · Shrujan2006/Module1.java · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
public class LogisticsApp {
    public static void main(String[] args) {
        Transport t;
        t = new Truck();
        t.deliver();
        t = new Ship();
        t.deliver();
        t = new Airplane();
        t.deliver();
    }
}
class Transport {
    void deliver() {
        System.out.println("Transport is delivering goods");
    }
}
class Truck extends Transport {
    void deliver() {
        System.out.println("Truck is delivering goods");
    }
}
class Ship extends Transport {
    void deliver() {
        System.out.println("Ship is delivering goods");
    }
}
class Airplane extends Transport {
    void deliver() {
        System.out.println("Airplane is delivering goods");
    }
}