小※兽

摘要： 1 public class InnerClass { 2 public static void main(String[] args) { 3 4 // 窗口 5 JFrame win = new JFrame("登陆界面"); 6 // 桌布 7 JPanel jPanel = new JPan 阅读全文

摘要： 1 public abstract class Card { 2 private String name; 3 private double money; 4 5 public abstract void pay(double money); 6 7 public String getName() 阅读全文