Map map = new HashMap(); public void ss(Object j) {Random rd = new Random();int temp = rd.nextInt(53);if(map.get(temp)!=null) ss(j);else map.put(temp, j);} public void dd() {List list = new ArrayList();String[] type = {"黑桃","梅花","红桃","方块"};String[] pai = {"A","2","3","4","5","6","7","8","9","10","J","Q","K"};for(int i=0;i<type.length;i++){ for(int j=0;j<pai.length;j++) {
list.add(type+pai[j]); }}for(int i=0;i<list.size();i++){ ss(list.get(i));}for (Iterator iterator = map.keySet().iterator(); iterator.hasNext();) { System.out.print(""+map.get(iterator.next()));
} }以前写的一个关于牌的代码，可以参考一下 |
