package w5挑战版; // 测试重构后的系统 public class TestPersonSystem { public static void main(String[] args) { PersonManager manager = new PersonManager(); // 统一添加(无需区分学生/老师,全部是Person) manager.addPerson(new Student("张三", 18, "2025001")); manager.addPerson(new Teacher("李老师", 40, "T001")); manager.addPerson(new Student("李四", 19, "2025002")); // 显示所有人 manager.showAllPersons(); // 检查特定属性 manager.checkPersonDetails(); } }