随机抽取一张纸牌

import java.util.Scanner;

public class tt {

	public static void main(String[] args) {
		String a[] = { "Ace", "2", "3", "4", "5", "6", "7", "8", "9", "10",
				"jack", "queen", "king" };
		int n1 = (int) (Math.random() * 13);
		System.out.print("The card is ");
		System.out.print(a[n1]);
		String b[] = { "Clubs", "Diamonds", "Hearts", "Spades" };
		int n2 = (int) (Math.random() * 4);
		System.out.print(" of " + b[n2]);
	}
}