package javaExF; public class Main { public static void main(String[] args) { // 서로 다른 객체 생성 Juice j = new Juice(); Coffee c = new Coffee(); Beer b = new Beer(); Water w = new Water(); Tea t = new Tea(); // 부모 클래스 타입의 배열 생성 Drink[] drinks = { j, c, b, w, t }; // 모든 음료를 주문! for (Drink d : drinks) { d.ordered(); } } } interface Drink { public abstract void ordered(); } class Juice implements Drink { String name; double price; public void ordered() { System.out.println("주문되었습니다."); } } class Coffee implements Drink { String name; double price; public void ordered() { System.out.println("주문되었습니다."); } } class Beer implements Drink { String name; double price; public void ordered() { System.out.println("주문되었습니다."); } } class Water implements Drink { String name; double price; public void ordered() { System.out.println("주문되었습니다."); } } class Tea implements Drink { String name; double price; public void ordered() { System.out.println("주문되었습니다."); } }