第六章第三十二题（游戏：赢取双骰子赌博游戏的机会）(Game: chance of winning at craps)

第六章第三十二题（游戏：赢取双骰子赌博游戏的机会）(Game: chance of winning at craps)

• **6.32（游戏：赢取双骰子赌博游戏的机会）修改编程练习题6.30使该程序运行10000次，然后显示赢得游戏的次数
  **6.32(Game: chance of winning at craps)Revise Exercise 6.30 to run it 15,000 times and display the number of winning games.
• 参考代码：

package chapter06;

public class Code_32 {
    
    
    public static void main(String[] args) {
    
    
        int sumOfTwoDice, firstDie, secondDie, point, winCount = 0;
        for(int i = 1;i <= 1000;i++) {
    
    
            firstDie = rollDie();
            secondDie = rollDie();
            sumOfTwoDice = firstDie + secondDie;
            if (sumOfTwoDice == 2 || sumOfTwoDice == 3 || sumOfTwoDice == 12) {
    
    
                winCount++;
            }
            else if (sumOfTwoDice == 7 || sumOfTwoDice == 11) {
    
    
            }
            else {
    
    
                point = sumOfTwoDice;
                do {
    
    
                    firstDie = rollDie();
                    secondDie = rollDie();
                    sumOfTwoDice = firstDie + secondDie;
                } while (sumOfTwoDice != 7 && sumOfTwoDice != point);

                if (sumOfTwoDice == point)
                    winCount++;
            }
        }
        System.out.printf("You totally won %d times", winCount);
    }
    public static int rollDie() {
    
    
        return (int) (Math.random() * 6 + 1);
    }
}

• 结果显示：

You totally won 387 times
Process finished with exit code 0