java记——随机抽牌（加强版）

问题及代码：

问题描述：

随机在一封牌中抽取一张牌，输出他的花色和大小

程序代码：

public class Exercise {
  public static void main(String[] args) {
    final int NUMBER_OF_CARDS = 52;
    
    // Pick a card
    int number = (int)(Math.random() * NUMBER_OF_CARDS);

    System.out.print("The card you picked is ");
    if (number % 13 == 0)
      System.out.print("Ace of ");
    else if (number % 13 == 10)
      System.out.print("Jack of ");
    else if (number % 13 == 11)
      System.out.print("Queen of ");
    else if (number % 13 == 12)
      System.out.print("King of ");
    else
      System.out.print((number % 13) + " of ");

    if (number / 13 == 0)
      System.out.println("Clubs");
    else if (number / 13 == 1)
      System.out.println("Diamonds");
    else if (number / 13 == 2)
      System.out.println("Hearts");
    else if (number / 13 == 3)
      System.out.println("Spades");
  }
}

运行结果：