用java编写一个计算德州扑克获胜概率的软件
时间: 2023-07-01 20:16:57 浏览: 66
好的,以下是一个简单的Java程序,可以计算德州扑克获胜概率:
```java
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Random;
public class TexasHoldem {
public static void main(String[] args) {
List<Card> deck = createDeck();
List<Card> board = new ArrayList<>();
List<Card> playerCards = new ArrayList<>();
List<Card> opponentCards = new ArrayList<>();
int playerWins = 0;
int total = 0;
Random random = new Random();
// 模拟1000000次游戏
for (int i = 0; i < 1000000; i++) {
// 洗牌
Collections.shuffle(deck, random);
// 发底牌
playerCards.clear();
opponentCards.clear();
playerCards.add(deck.get(0));
playerCards.add(deck.get(1));
opponentCards.add(deck.get(2));
opponentCards.add(deck.get(3));
// 发公共牌
board.clear();
board.add(deck.get(4));
board.add(deck.get(5));
board.add(deck.get(6));
board.add(deck.get(7));
board.add(deck.get(8));
for (int j = 0; j < 4; j++) {
board.remove(j);
// 枚举所有可能的对手牌组合
for (int k = j + 1; k < 5; k++) {
opponentCards.add(board.get(j));
opponentCards.add(board.get(k));
// 计算玩家和对手的牌面大小
int playerRank = PokerHandEvaluator.evaluate(playerCards, board);
int opponentRank = PokerHandEvaluator.evaluate(opponentCards, board);
// 统计胜利情况
if (playerRank > opponentRank) {
playerWins++;
}
total++;
opponentCards.remove(1);
opponentCards.remove(0);
}
board.add(j, deck.get(9 + j));
}
}
// 计算获胜概率
double winProbability = (double) playerWins / total;
System.out.printf("Win probability: %.2f%%\n", winProbability * 100);
}
// 创建一副扑克牌
private static List<Card> createDeck() {
List<Card> deck = new ArrayList<>();
for (int i = 0; i < 4; i++) {
for (int j = 2; j <= 14; j++) {
deck.add(new Card(i, j));
}
}
return deck;
}
}
// 扑克牌类
class Card {
private int suit;
private int rank;
public Card(int suit, int rank) {
this.suit = suit;
this.rank = rank;
}
public int getSuit() {
return suit;
}
public int getRank() {
return rank;
}
}
// 扑克牌手牌等级评估器
class PokerHandEvaluator {
public static int evaluate(List<Card> cards, List<Card> board) {
List<Card> hand = new ArrayList<>(cards);
hand.addAll(board);
Collections.sort(hand, (c1, c2) -> c2.getRank() - c1.getRank());
int[] suits = new int[4];
int[] ranks = new int[15];
for (Card card : hand) {
suits[card.getSuit()]++;
ranks[card.getRank()]++;
}
boolean flush = false, straight = false;
int straightRank = 0;
for (int i = 2; i <= 14; i++) {
if (ranks[i] > 0) {
if (++straightRank == 5) {
straight = true;
}
} else {
straightRank = 0;
}
}
for (int i = 0; i < 4; i++) {
if (suits[i] >= 5) {
flush = true;
}
}
if (flush && straight) {
return 9; // 同花顺
} else if (ranks[14] == 1 && ranks[13] == 1 && ranks[12] == 1 && ranks[11] == 1 && ranks[10] == 1 && flush) {
return 8; // 皇家同花顺
} else {
for (int i = 2; i <= 10; i++) {
if (ranks[i] == 1 && ranks[i + 1] == 1 && ranks[i + 2] == 1 && ranks[i + 3] == 1 && ranks[i + 4] == 1) {
straight = true;
break;
}
}
if (flush) {
return 6; // 同花
} else if (straight) {
return 5; // 顺子
} else if (ranks[14] == 4) {
return 7; // 四条
} else if (ranks[14] == 3 && ranks[13] == 2) {
return 4; // 葫芦
} else if (ranks[14] == 3) {
return 3; // 三条
} else if (ranks[14] == 2 && ranks[13] == 2) {
return 2; // 两对
} else if (ranks[14] == 2) {
return 1; // 一对
} else {
return 0; // 散牌
}
}
}
}
```
这个程序使用了一个简单的模拟方法,枚举所有可能的对手牌组合,并计算玩家和对手的牌面大小。在实际应用中,可能需要使用更复杂的算法来处理特殊牌型和优化程序性能等问题。