Java类卡片枚举示例。修订过的
*非常感谢您的帮助*
我正在使用java网站上的class card示例来尝试构建一个游戏
http://java.sun.com/j2se/1.5.0/docs/guide/language/enums.html
我想分配西装和等级值。我不知道怎么做
对于西服,我想做的是指定Heart=4 菱形=3,梅花=2,黑桃=1
对于排名,ace=11
杰克,女王,国王=10
2-10卡的价值
程序接受用户输入作为手数和每手牌数的参数。。 像这样:$java交易4.5
然后我要它打印八个黑桃(8),十个红桃(40)
基于这些值。。示例spade=1*8 红心=4*10
我可以让它打印手而不是值
我的例子 按比例缩小的电流输出:
FIVE of CLUBS(0),
DEUCE of SPADES(0),
SEVEN of SPADES(0),
TEN of SPADES(0),
THREE of HEARTS(0),
FOUR of SPADES(0),
THREE of DIAMONDS(0),
[TEN of SPADES, THREE of HEARTS, FOUR of SPADES, THREE of DIAMONDS]
[FOUR of CLUBS, FIVE of CLUBS, DEUCE of SPADES, SEVEN of SPADES]
[QUEEN of HEARTS, SIX of HEARTS, FOUR of HEARTS, KING of DIAMONDS]
C:\Java\a02>
下面是两个不同类中的程序代码
import java.util.*;
public class Cards {
public enum Rank {
DEUCE(2), THREE(3), FOUR(4), FIVE(5), SIX(6), SEVEN(7), EIGHT(8), NINE(
9), TEN(10), JACK(10), QUEEN(10), KING(10), ACE(11);
private int Rankpoints;
Rank(int points) {
this.Rankpoints = points;
}
public int getRankpoints() {
return this.Rankpoints;
}
}
public enum Suit {
CLUBS(2), DIAMONDS(3), HEARTS(4), SPADES(1);
private int Suitpoints;
Suit(int points) {
this.Suitpoints = points;
}
public int getSuitpoints() {
return this.Suitpoints;
}
}
private final Rank rank;
private final Suit suit;
private Cards(Rank rank, Suit suit) {
this.rank = rank;
this.suit = suit;
}
public Rank rank() {
return this.rank;
}
public Suit suit() {
return this.suit;
}
public String toString() {
return rank + " of " + suit;
}
private static final List<Cards> protoDeck = new ArrayList<Cards>();
// Initialize prototype deck
static {
for (Suit suit : Suit.values())
for (Rank rank : Rank.values())
protoDeck.add(new Cards(rank, suit));
}
public static ArrayList<Cards> newDeck() {
return new ArrayList<Cards>(protoDeck); // Return copy of prototype deck
}
}
这里是主要的
import java.util.*;
public class Deal {
public static void main(String args[]) {
int numHands = Integer.parseInt(args[0]);
int cardsPerHand = Integer.parseInt(args[1]);
List<Cards> deck = Cards.newDeck();
Collections.shuffle(deck);
for (Cards card : deck) {
System.out.println(card.rank() + " of " + card.suit() + "("
+ card.getSuitpoints() + ")" + ",");
}
for (int i = 0; i < numHands; i++)
System.out.println(deal(deck, cardsPerHand));
}
public static ArrayList<Cards> deal(List<Cards> deck, int n) {
int deckSize = deck.size();
List<Cards> handView = deck.subList(deckSize - n, deckSize);
ArrayList<Cards> hand = new ArrayList<Cards>(handView);
handView.clear();
return hand;
}
}
当我试图编译时,我得到一个错误。。 为了
卡片。getSuitpoints()
错误:找不到符号:方法getSuitpoints()
我觉得很奇怪,因为
卡片。getRankpoints() 汇编。。 这是我将其放入枚举的方式吗
getRankpoints() 返回零。 怎么了
# 1 楼答案
你在牌组中看到重复的原因是你在牌上迭代了两次
假设甲板生成器正常工作,只需迭代一次即可:
另外,对于表示卡片的类来说,
Card
可能是比Cards
更好的名称选择要获取该值,需要添加一个返回该值的方法
然后,当您想要打印值时,可以调用它