deck.java

小手机屏幕的红心大战.rar（JAVA源码-J2EE源码）

package com.skybright.pig;

import java.util.Random;
import java.util.Vector;


public class Deck
{
    private Card[] cards = null;
    private Vector v = null;

    public Deck()
    {
        cards = new Card[52];
        v = new Vector();

        for (int i = 0; i < 52; i++)
        {
            cards[i] = new Card(i);
            v.addElement(new Integer(i));
        }
    }

    public Card[] getCards()
    {
        return cards;
    }

    public Card getCard()
    {
        if (v.size() == 0)
        {
            return null;
        }

        try
        {
            Random r = new Random(System.currentTimeMillis());
            int i = Math.abs(r.nextInt()) % v.size();
            int index = ((Integer) v.elementAt(i)).intValue();
            v.removeElementAt(i);

            Card card1 = cards[index];

            return card1;
        }catch (Exception e)
        {
            e.printStackTrace();
        }

        Card card = null;

        return card;
    }

    public Card getCard(int index)
    {
        return cards[index];
    }

    public void destroy()
    {
        if (cards != null)
        {
            cards = null;
        }

        if (v != null)
        {
            v = null;
        }

        System.gc();
    }
}