Дано:
interface Vessel {}
interface Toy {}
class Boat implements Vessel {}
class Speedboat extends Boat implements Toy {
}
public class Tree {
public static void main(String[] args) {
String s = "0";
Boat b = new Boat();
Boat b2 = new Speedboat();
Speedboat s2 = new Speedboat();
if ((b instanceof Vessel) && (b2 instanceof Toy)) s += "1";
if ((s2 instanceof Vessel) && (s2 instanceof Toy)) s += "2";
System.out.println(s);
}
}
Каков результат?
Please log in or register to have a possibility to add comment.