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level13.lesson02.task03

May 16th, 2015
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Java 0.78 KB | None | 0 0
  1. package com.javarush.test.level13.lesson02.task03;
  2.  
  3. /* Пиво и кола
  4. Реализуй интерфейс Drink в классах Beer и Cola.
  5. */
  6.  
  7. public class Solution
  8. {
  9.     public static void main(String[] args) throws Exception
  10.     {
  11.  
  12.         print(new Beer());
  13.         print(new Cola());
  14.  
  15.     }
  16.  
  17.     private static void print(Drink drink)
  18.     {
  19.         System.out.println(drink.getClass().getSimpleName());
  20.     }
  21.  
  22.     public interface Drink
  23.     {
  24.         boolean isAlcoholic();
  25.     }
  26.  
  27.     public static class Beer implements Drink
  28.     {
  29.         public boolean isAlcoholic(){
  30.             return true;
  31.         }
  32.     }
  33.  
  34.     public static class Cola implements Drink
  35.     {
  36.         public boolean isAlcoholic(){
  37.             return false;
  38.         }
  39.     }
  40. }
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