//定义人员类 class Person { private String name;//姓名 private int age;//性别 private String address;//住址 public Person(){} public Person(String name,int age) { this.name=name; this.age=age; } public Person(String name,int age,String address) { ( ① )//调用本类的构造方法 this.address=address; } //省略setter和getter }
发布时间:2024-04-17 09:57:44