一道题

[ifredom_]

模拟从一副扑克中选择一张牌，程序应显示牌的大小以及花色。

[有爱的小止]

产生一个随机数从1-54

1-52%4 余数为四个花数 1-52/4+1是牌的大小


如果有必要，一个boolean[54]标志牌是否被取出

[菖蒲老先生]

import java.util.Random;

public class Read {
	public static void main(String[] args) {

		System.out.println(getPai());
	}

	private static String getPai() {
		Random r = new Random();
		int i = r.nextInt(54);
		return getName(i);
	}

	private static String getName(int i) {
		if (i == 53) {
			return "小王";
		} else if (i == 54) {
			return "大王";
		}
		int p = i % 13;
		int c = (i - 1) / 13;
		return getColor(c) + getPoint(p);
	}

	private static String getColor(int c) {
		String color = "";
		switch (c) {
		case 0:
			color = "方块";
			break;
		case 1:
			color = "梅花";
			break;
		case 2:
			color = "黑桃";
			break;
		default:
			color = "红桃";
			break;
		}
		return color;
	}

	private static String getPoint(int p) {
		String point = "";
		if (p == 0) {
			point = "K";
		} else if (p < 11) {
			point = String.valueOf(p);
		} else if (p == 11) {
			point = "J";
		} else {
			point = "Q";
		}
		return point;
	}
}