简单发牌练习

package yuwei.com;


import java.util.Collections;
import java.util.List;
import java.util.LinkedList;

public class ShowHand {

    //定义玩家的数量
    private final int PLAYER_NUM = 4;
    //定义扑克牌的数量和huase
    private String[] types = {"方块","草花","红心","黑桃"};
    private String[] values = {"2","3","4","5","6","7","8","9","10","j","q","K","A"};;
    //cards一局中剩余的牌数
    private List<String> cards = new LinkedList<String>();
    //定义所有玩家
    private String[] players = new String[PLAYER_NUM];
    //所有玩家手上的扑克牌
    private List<String>[] playersCards = new List[PLAYER_NUM];
    /** * 初始化扑克牌 * 并随机进行顺序排列 * */
    public void initCards() {
        for(int i = 0;i < types.length;i++) {
            for(int j = 0;j < values.length;j++) {
                cards.add(types[i] + values[j]);
            }
        }
        Collections.shuffle(cards);
    }
    /** * 初始化玩家 * 为其命名 * */
    public void initPlayer(String...name) {
        if(name.length > PLAYER_NUM || name.length < 2) {
            System.out.println("玩家的数量不对");
            return ;
        }
        else
        {
            //初始化玩家姓名
            for(int i = 0;i < name.length;i++) {
                players[i] = name[i];
            }
        }
    }
    /** * 初始化玩家手上的牌为null*/
    public void initPlayweCards() {
        for(int i = 0;i < players.length;i++) {
            if(this.players[i] != null) {
                this.playersCards[i] = new LinkedList<>();
            }
        }
        //playersCards[0].add("a");
    }
    /** * 输出全部扑克牌，该方法没有实际作用仅用于测试 * */
    public void showAllCards() {
        for(String card:cards) {
            System.out.println(card);
        }
    }
    /** * 发扑克 * @param first 最先派发给谁 * */
    public String deliverCard(String first) {

        int firstPos = ArrayUtils(players,first);
        for(int i = firstPos;i <PLAYER_NUM;i++ ) {
            if(players[i] != null) {
                if(!cards.isEmpty()) {
                    playersCards[i].add(cards.get(0));
                    cards.remove(0);
                }
            }
        }
        //
        for(int i = 0;i<firstPos;i++) {
            if(players[i]!=null) {
                if(!cards.isEmpty()) {
                    playersCards[i].add(cards.get(0));
                    cards.remove(0);
                }
            }
        }
        if(!cards.isEmpty()) {
            return cards.get(0);
        }
        return null;
    }
    /** * 输出玩家手上的牌 * */
    public void showPlayerCards() {
        for(int i = 0;i< PLAYER_NUM;i++) {
            if(players[i] != null) {
                //输出玩家
                System.out.println(players[i] + ":");
                for(String card:this.playersCards[i]) {
                    System.out.print(card + "\t");
                }
                System.out.println();
            }
        }
    }
    private int ArrayUtils(String[] players, String first) {
        // TODO Auto-generated method stub
        int i = 0;
        for(i = 0;i < players.length;i++) {
            if(players[i] == first) {
                return i;
            }
        }
        return 0;
    }
    public static void main(String[] args) {
        ShowHand sh = new ShowHand();
        sh.initPlayer("诸葛亮","孙悟空","玩家A","玩家B");
        sh.initCards();
        sh.initPlayweCards();
        sh.showAllCards();
        System.out.println("-------------");
        //为用户发牌
        while(sh.deliverCard("孙悟空")!=null) {}

        sh.showPlayerCards();
    }
}

来自java疯狂讲义自学练习，已修改