src/solitaire/Waste.java

   1 package solitaire;
   2
   3 import java.util.LinkedList;
   4 import java.util.List;
   5 import java.util.stream.Collectors;
   6
   7 final class Waste {
   8     private final List<Card> cards;
   9
  10     Waste() {
  11         this.cards = new LinkedList<>();
  12     }
  13
  14     void add(Card card) {
  15         cards.add(card);
  16     }
  17
  18     Card draw() {
  19         return cards.removeLast();
  20     }
  21
  22     boolean isEmpty() {
  23         return cards.isEmpty();
  24     }
  25
  26     @Override
  27     public String toString() {
  28         if (isEmpty())
  29             return "{   }";
  30
  31         return cards.stream().map(String::valueOf).collect(Collectors.joining("", "{ ", " }"));
  32     }
  33 }