정보처리기사 실기 Java - 추상클래스 동적 디스패치 기출문제 #3444

다음 Java 코드의 실행 결과를 쓰시오.

Java
interface Device {
    String brand = "Generic";
    default String getBrand() { return "Default"; }
    int getPower();
}

abstract class Electronics implements Device {
    String brand = "Electronics";
    abstract String getModel();
    public String getBrand() { return this.brand + "-" + Device.super.getBrand(); }
}

class Laptop extends Electronics {
    String brand = "Laptop";
    String model = "Pro";

    public int getPower() { return 65; }
    public String getModel() { return model; }
    public String getBrand() { return super.brand + "-" + Device.brand + "-" + getPower(); }
}

public class Main {
    public static void main(String[] args) {
        Device d = new Laptop();
        Electronics e = (Electronics) d;
        System.out.println(d.brand + "|" + e.brand + "|" + d.getBrand());
    }
}