public class CollectionTest {

 /**
  * 玩斗地主的三个步骤：
  * A 买牌
  * B 洗牌
  * C 发牌
  * D 看底牌
  */
 public static void main(String[] args) {

 String[] color={"黑桃","红桃","梅花","方块"}; 
 String[] numbers={"A","2","3","4","5","6","7","8","9","10","J","Q","K"}; 
 
 ArrayList<String> array=new ArrayList<String>();
 array.add("大王");
 array.add("小王");
 
 for (String c : color) {
  for (String n : numbers) {
   array.add(c.concat(n));
  }
 }

 Collections.shuffle(array);
 
 //System.out.println(array);
 //System.out.println(array.size());
 //三个人
 
 ArrayList<String> xiaoming1=new ArrayList<String>();
 ArrayList<String> xiaoming2=new ArrayList<String>();
 ArrayList<String> xiaoming3=new ArrayList<String>();
 
 for (int i = 0; i < array.size()-3; i++) {
  
  if (i%3==0) {
   xiaoming1.add(array.get(i));
  }else if (i%3==1) {
   xiaoming2.add(array.get(i));
  }else if (i%3==2) {
   xiaoming3.add(array.get(i));
  }
 }
 System.out.println(xiaoming1);
 System.out.println(xiaoming2);
 System.out.println(xiaoming3);
 
 //看底牌
 for (int i = array.size()-3; i < array.size(); i++) {
  System.out.print(array.get(i)+"    ");
 }
 
 }

}