摘要： using System;namespace 继承{ public class cat { private string _name = null; private int _age = 0; public cat(string name,int age) { _name = name; _age = age; Console.WriteLine(); Console.Write("猫的名字是{0},年龄为{1},",name,age); } } public class mycat:cat//继承自cat类 { private int _weight;//新增... 阅读全文