package com.test;public class TestFatherClass { private String name="abc";TestFatherClass(){ System.out.println("1、这是父类的无参构造函数");} TestFatherClass(String a){ System.out.println("2、这是父类的有参构造函数");} } 子类：package com.test;public class TestChildClass ...
//基类:#include<iostream.h>classAnimal(){public:Animal(intheight,intweight){cout<<"Animal"<<endl;}voideat(){cout<<"animal eat"<<endl;}};//子类:classfish:publicAnimal(){public:fish():Animal(400,300),a(20)//在子类fish中向父类的构造函数传递参数.a(20)是初始化fish类中的常量a{cout<<...