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时代Java

Java 卡洗牌和交易。

欢马劈雪

工程师 (已认证)

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发表于实例源码

384

卡洗牌和交易。

实例源码：

源代码：

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import java.security.SecureRandom;

public class Main

{

// execute application/**from N o  w  J a v a . c o m - 时  代  Java**/

public static void main(String[] args)

{

DeckOfCards myDeckOfCards = new DeckOfCards();

myDeckOfCards.shuffle(); // place Cards in random order

// print all 52 Cards in the order in which they are dealt

for (int i = 1; i <= 52; i++)

{

// deal and display a Card

System.out.printf("%-19s", myDeckOfCards.dealCard());

if (i % 4 == 0) // output a newline after every fourth card

System.out.println();

} 
      /**
      来 自 N o w J a v a . c o m - 时代Java
      **/

}

class Card

{

private final String face; // face of card ("Ace", "Deuce", ...)

private final String suit; // suit of card ("Hearts", "Diamonds", ...)

// two-argument constructor initializes card's face and suit

public Card(String face, String suit)

{

this.face = face;

this.suit = suit;

}

// return String representation of Card

public String toString()

{

return face + " of " + suit;

}

class DeckOfCards

{

private Card[] deck; // array of Card objects

private int currentCard; // index of next Card to be dealt (0-51)

private static final int NUMBER_OF_CARDS = 52; // constant # of Cards

// random number generator

private static final SecureRandom randomNumbers = new SecureRandom();

// constructor fills deck of Cards

public DeckOfCards()

{

String[] faces = {"Ace", "Deuce", "Three", "Four", "Five", "Six",

"Seven", "Eight", "Nine", "Ten", "Jack", "Queen", "King"};

String[] suits = {"Hearts", "Diamonds", "Clubs", "Spades"};

deck = new Card[NUMBER_OF_CARDS]; // create array of Card objects

currentCard = 0; // first Card dealt will be deck[0]

// populate deck with Card objects

for (int count = 0; count < deck.length; count++)

deck[count] =

new Card(faces[count % 13], suits[count / 13]);

}

public void shuffle()

{

currentCard = 0;

for (int first = 0; first < deck.length; first++)

{
/**代码未完, 请加载全部代码(NowJava.com).**/

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执行结果：

<li>King of Clubs      Queen of Diamonds  Eight of Hearts    Nine of Spades     </li>
<li>Five of Clubs      Jack of Spades     Deuce of Diamonds  Deuce of Clubs     </li>
<li>Ten of Spades      King of Hearts     Ten of Hearts      Deuce of Hearts    </li>
<li>Queen of Spades    Jack of Clubs      Seven of Diamonds  Ace of Hearts      </li>
<li>Four of Clubs      Six of Hearts      Jack of Diamonds   Four of Hearts     </li>
<li>Nine of Hearts     Nine of Clubs      Five of Hearts     Seven of Clubs     </li>
<li>Eight of Clubs     Four of Diamonds   Eight of Spades    Ten of Diamonds    </li>
<li>Seven of Hearts    King of Diamonds   Deuce of Spades    Six of Spades      </li>
<li>Nine of Diamonds   Ace of Diamonds    Six of Clubs       Seven of Spades    </li>
<li>Five of Spades     Queen of Clubs     Four of Spades     Ten of Clubs       </li>
<li>Jack of Hearts     Six of Diamonds    Ace of Clubs       Queen of Hearts    </li>
<li>Eight of Diamonds  Five of Diamonds   Three of Spades    Ace of Spades      </li>
<li>Three of Diamonds  Three of Hearts    Three of Clubs     King of Spades     </li>

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编辑于 2020-03-26 09:23:272020-03-26 09:23:27

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