关于第三季最后 简易扑克的问题

Question

Exception in thread "main" java.lang.IndexOutOfBoundsException: Index: 0, Size: 
0
	at java.util.ArrayList.rangeCheck(ArrayList.java:653)
	at java.util.ArrayList.get(ArrayList.java:429)
	at 简易扑克.Card.getCard(Card.java:45)
	at 简易扑克.Game.main(Game.java:47)
目前我只做了一会会..只实现了部分功能...但是一直卡在这个异常...希望各位可以帮帮我~谢谢


package 简易扑克;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

public class Player {
	public String name;
	public List<Card> cardGet;
	public Player(String name){
		this.name=name;
		cardGet=new ArrayList<Card>();
	}
	public Player(){
		
	}

	
	

}

import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Scanner;

public class Game {
	Scanner input;
	public List<Player> players;
	public Game(){
		this.players=new ArrayList<Player>();
	}
	public void playerCreat(){
		System.out.println("-------开始创建玩家-------");
		input=new Scanner(System.in);
		System.out.println("请输入玩家人数:");
		try{
			int count=input.nextInt();
			for(int i=0;i<count;i++){
				System.out.println("请输入姓名:");
				String name=input.next();
				Player tmpPlayer=new Player(name);
				players.add(i,tmpPlayer);
				System.out.println("--------成功创建玩家:"+tmpPlayer.name+"----------");				
			}
		}catch(Exception e){
			System.out.println("请输入整数!!!!");
			playerCreat();
		}
	}
	public void showPlayer(){
		for (Player player : players) {
			System.out.println(player.name);
		}
	}

	public static void main(String[] args) {
		Card c=new Card();
		Game g=new Game();
		c.creatCard();
		c.showCard();
		c.washCard();
		g.playerCreat();
		g.showPlayer();	
		c.getCard();
	}

}

package 简易扑克;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Random;
import java.util.Scanner;

public class Card {
	String colour;
	String number;
	public String[] num={"2","3","4","5","6","7","8","9","10","J","Q","K","A"};
    public String col[]={"黑桃","红桃","梅花","方片"};
    List<Card> cards;
    public Card(){
    	this.cards=new ArrayList<Card>();
    }
    public Card(String colour,String number){
    	this.colour=colour;
    	this.number=number;
    }
    public void creatCard(){
    	for(int i=0;i<col.length;i++){
    		for(int j=0;j<num.length;j++){
    			cards.add(new Card(col[i],num[j]));
    		}
    	}
    }
    public void showCard(){
    	System.out.println("----------获得扑克牌----------");
    	for (int i=0;i<cards.size();i++) {
			System.out.print(cards.get(i).colour+cards.get(i).number+",");
		}
    	System.out.println("");
    }
    public void washCard(){
    	System.out.println("----------开始洗牌--------");
    	Collections.shuffle(cards);
    	System.out.println("----------洗牌结束--------");
    }
    public void getCard(){
    	Game ga=new Game();
    	for(int i=0;i<2;i++){
    		System.out.println("玩家:"+ga.players.get(i).name+"抓牌");
    		ga.players.get(i).cardGet.add(cards.get(i));
    	}
    }
}