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- package com.javarush.test.level13.lesson02.task03;
- /* Пиво и кола
- Реализуй интерфейс Drink в классах Beer и Cola.
- */
- public class Solution
- {
- public static void main(String[] args) throws Exception
- {
- print(new Beer());
- print(new Cola());
- }
- private static void print(Drink drink)
- {
- System.out.println(drink.getClass().getSimpleName());
- }
- public interface Drink
- {
- boolean isAlcoholic();
- }
- public static class Beer implements Drink
- {
- public boolean isAlcoholic(){
- return true;
- }
- }
- public static class Cola implements Drink
- {
- public boolean isAlcoholic(){
- return false;
- }
- }
- }
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