// 例1.类成员函数
/*
#include <iostream>
using namespace std;class Box
{
public:double length; // 长度double breadth; // 宽度double height; // 高度
};int main()
{Box Box1; // 声明 Box1,类型为 BoxBox Box2; // 声明 Box2,类型为 Boxdouble volume = 0.0; // 用于存储体积// box 1 详述Box1.height = 5.0;Box1.length = 6.0;Box1.breadth = 7.0;// box 2 详述Box2.height = 10.0;Box2.length = 12.0;Box2.breadth = 13.0;// box 1 的体积volume = Box1.height * Box1.length * Box1.breadth;cout << "Box1 的体积:" << volume << endl;// box 2 的体积volume = Box2.height * Box2.length * Box2.breadth;cout << "Box2 的体积:" << volume << endl;return 0;
}
*/// 例2.类成员函数
/*
#include <iostream>
using namespace std;class Box
{
public:double length; // 长度double breadth; // 宽度double height; // 高度// 成员函数声明double getVolume(void);void setLength(double len);void setBreadth(double bre);void setHeight(double hei);
};// 成员函数定义
double Box::getVolume(void)
{return length * breadth * height;
}void Box::setLength(double len)
{length = len;
}void Box::setBreadth(double bre)
{breadth = bre;
}void Box::setHeight(double hei)
{height = hei;
}// 程序的主函数
int main()
{Box Box1; // 声明 Box1,类型为 BoxBox Box2; // 声明 Box2,类型为 Boxdouble volume = 0.0; // 用于存储体积// box 1 详述Box1.setLength(6.0);Box1.setBreadth(7.0);Box1.setHeight(5.0);// box 2 详述Box2.setLength(12.0);Box2.setBreadth(13.0);Box2.setHeight(10.0);// box 1 的体积volume = Box1.getVolume();cout << "Box1 的体积:" << volume << endl;// box 2 的体积volume = Box2.getVolume();cout << "Box2 的体积:" << volume << endl;return 0;
}
*/// 手敲test 3.类成员函数
#include<iostream>
using namespace std;class A
{
public:int a;int b;int c;int func();
};int A::func()
{return a * b * c;
}int main()
{A class_1;A class_2;class_1.a = 1;class_1.b = 2;class_1.c = 3;class_2.a = 4;class_2.b = 5;class_2.c = 6;cout << class_1.func() << endl;cout << class_2.func() << endl;
}