作业，不知道有没有错，希望大家可以看下

package dapai;

//player.java

public class player {

String name;

String ID;

card card1=new card();

card card2=new card();

player(){}

player(String name,String ID){

this.name=name;

this.ID=ID;

}

}

package dapai;

//card.java

import java.util.ArrayList;

import java.util.List;

public class card {

final static List<String> numList=new ArrayList<String>();

final static List<String> colorList=new ArrayList<String>();

public final static String[] aanum=new String[]{"A","2","3","4","5","6","7","8","9","10","J","Q","K"};

public final static String[] aacolor=new String[]{"♦️","♣️","♥️","♠️"};

String num=new String();

String color=new String();

//分别将对应数字和花色放于两个list中

public static void zhuang(){

for(int i=0;i<13;i++){

numList.add(aanum[i]);

}

for(int i=0;i<4;i++){

colorList.add(aacolor[i]);

}

}

//牌的显示

public static void showCards(){

System.out.println("牌组有：");

for(int i=0;i<4;i++){

//System.out.print(colorList.get(i));

for(int j=0;j<13;j++){

System.out.print(colorList.get(i));

System.out.print(numList.get(j)+",");

}

}

}

//求出较大的牌，因为索引对应着卡牌，所以可以利用比较索引来比较大小

public static card theBig(card card1,card card2){

//先比较数字

if(numList.indexOf(card1.num)>numList.indexOf(card2.num)){

return card1;

}else if(numList.indexOf(card2.num)>numList.indexOf(card1.num)){

return card2;

}

//数字相等时，比较花色

else{

if(colorList.indexOf(card1.color)>colorList.indexOf(card2.color))

{

return card1;

}else

return card2;

}

}

/*@Override

public int hashCode() {

final int prime = 31;

int result = 1;

result = prime * result + ((color == null) ? 0 : color.hashCode());

result = prime * result + ((num == null) ? 0 : num.hashCode());

return result;

}*/

@Override

public boolean equals(Object obj) {

if (this == obj)

return true;

if (obj == null)

return false;

if (getClass() != obj.getClass())

return false;

card other = (card) obj;

if (color == null) {

if (other.color != null)

return false;

} else if (!color.equals(other.color))

return false;

if (num == null) {

if (other.num != null)

return false;

} else if (!num.equals(other.num))

return false;

return true;

} 

}

package dapai;

//game.java

import java.util.ArrayList;

import java.util.InputMismatchException;

import java.util.List;

import java.util.Random;

import java.util.Scanner;

public class game { 

public List<Integer> inList=new ArrayList<Integer>();

static Scanner input=new Scanner(System.in);

static Random random=new Random();

static String name1=new String();

static String name2=new String();

static String ID1=new String();

static String ID2=new String();

public void fapai(player p1,player p2){

inList.clear();

Integer color1,num1,sum1;

System.out.println("发牌开始");

for(int i=0;i<4;i++){

//color*10000+num表示一张牌，可以使每张牌都是不同的

//random产生随机数（不同的），代替发牌过程

do{

color1=random.nextInt(4)*10000;

num1=random.nextInt(12);

sum1=color1+num1;

}while(inList.contains(sum1));

inList.add(sum1);

}

//测试，遍历inList

/*System.out.println("inList内容为：");

for(Integer ig:inList){

System.out.println(ig);

}*/

//将值存入人的手牌中

p1.card1.num=card.aanum[inList.get(0)%10000];

p1.card1.color=card.aacolor[(int)inList.get(0)/10000];

p1.card2.color=card.aacolor[(inList.get(1)/10000)];

p1.card2.num=card.aanum[inList.get(1)%10000];

p2.card1.color=card.aacolor[(inList.get(2)/10000)];

p2.card1.num=card.aanum[inList.get(2)%10000];

p2.card2.color=card.aacolor[(inList.get(3)/10000)];

p2.card2.num=card.aanum[inList.get(3)%10000];

System.out.println("发牌完成");

System.out.println("玩家"+p1.name+"的手牌为-----"+p1.card1.color+p1.card1.num+"和"+p1.card2.color +p1.card2.num);

System.out.println("玩家"+p2.name+"的手牌为-----"+p2.card1.color+p2.card1.num+"和"+p2.card2.color +p2.card2.num);

}

//比较谁的手牌更大，并且输出

public void gamenext(player p1,player p2){

card cardBig1=new card();

card cardBig2=new card();

cardBig1=card.theBig(p1.card1, p1.card2);

System.out.println("玩家"+p1.name+"的大手牌是---"+cardBig1.color+cardBig1.num);

cardBig2=card.theBig(p2.card1, p2.card2);

System.out.println("玩家"+p2.name+"的大手牌是---"+cardBig2.color+cardBig2.num);

if((card.theBig(cardBig1, cardBig2))==cardBig1){

System.out.println("玩家"+p1.name+"赢!!!");

}else{

System.out.println("玩家"+p2.name+"赢!!!");

}

}

//输入ID

public String inputID(){

int a;

System.out.println("请输入ID");

while(true){

try{

a=input.nextInt();

break;

}catch(InputMismatchException e){

System.out.println("输入错误，请重新输入");

//e.printStackTrace();

input.next();

}

}

String s=a+"";

return s;

}

public static void main(String[] args) {

// TODO Auto-generated method stub

game GG=new game();

System.out.println("请输入第一位玩家数据：");

ID1=GG.inputID();

System.out.println("请输入名字");

name1=input.next();

System.out.println("请输入第二位玩家数据：");

ID2=GG.inputID();

System.out.println("请输入名字");;

name2=input.next();

player p1=new player(name1,ID1);

player p2=new player(name2,ID2);

card.zhuang();

card.showCards();

GG.fapai(p1, p2);

GG.gamenext(p1, p2);

}

}