java中一个ArrayList的用例

r囧r小猫 2022-06-17 11:14 173阅读 0赞

package poker;
    
    import java.util.ArrayList;
    import java.util.Collections;
    
    /**
     * 模拟斗地主洗牌和发牌
     * 1. 创建一个牌盒
     * 2. 装牌
     * 3. 洗牌
     * 4. 发牌
     * 5. 看牌
     * 
     * @author lgt
     *
     */
    public class pokerDemo {
        
        public static void main(String[] args) {
            // 创建一个牌盒
            ArrayList<String> list = new ArrayList<String>();
    
            // 定义一个花色数组
            String[] colors = { "♠", "♥", "♣", "♦" };
    
            // 定义一个点数数组
            String[] numbers = { "A", "2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K" };
    
            // 装牌
            for (String color : colors) {
                for (String number : numbers) {
                    list.add(color.concat(number));
                }
            }
            list.add("小王");
            list.add("大王");
    
            // System.out.println(list);
    
            // 洗牌，调用Collections.shuffle()随机置换功能
            Collections.shuffle(list);
    
            // System.out.println(list);
    
            // 设置玩家
            ArrayList<String> wanjia1 = new ArrayList<String>();
            ArrayList<String> wanjia2 = new ArrayList<String>();
            ArrayList<String> wanjia3 = new ArrayList<String>();
            ArrayList<String> dipai = new ArrayList<String>();
    
            // 发牌
            for (int x = 0; x < list.size(); x++) {
                if (x >= list.size() - 3) {
                    dipai.add(list.get(x));
                } else if (x % 3 == 0) {
                    wanjia1.add(list.get(x));
                } else if (x % 3 == 1) {
                    wanjia2.add(list.get(x));
                } else if (x % 3 == 2) {
                    wanjia3.add(list.get(x));
                }
            }
    
            // 看牌
            lookPoker("wanjia1", wanjia1);
            lookPoker("wanjia2", wanjia2);
            lookPoker("wanjia3", wanjia3);
            lookPoker("dipai", dipai);
        }
    
        // 方法 - 看牌
        public static void lookPoker(String name, ArrayList<String> array) {
            System.out.println(name + "共有" + array.size() + "张牌，" + "牌面是：");
            for (String s : array) {
                System.out.print(s + " ");
            }
            System.out.println();
        }
    }