欢迎来到天天文库
浏览记录
ID:55813350
大小:469.00 KB
页数:55页
时间:2020-06-08
《几个典型运算符重载C++四.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、7.3几个典型运算符重载2021/8/2217.3几个典型运算符重载数学类中常用的几个运算重载的特点和应用6.3几个典型运算符重载2021/8/2227.3.1重载++与--设AAobject;运算符++和--有两种方式:前置方式:++Aobject--Aobject后置方式:Aobject++Aobject--成员函数重载A::Aoperator++();解释为:Aobject.operator++();友员函数重载friendAoperator++(A&);解释为:operator++(Aobject);成员函数重载
2、A::Aoperator++(int);解释为:Aobject.operator++(0);友员函数重载:friendAoperator++(A&,int);解释为:operator++(Aobject,0)伪参数6.3.1重载++与--2021/8/223成员函数重载++#includeclassIncrease{public:Increase(){value=0;}voiddisplay()const{cout<3、ncreaseoperator++(int);//后置private:unsignedvalue;};IncreaseIncrease::operator++(){value++;return*this;}IncreaseIncrease::operator++(int){Increasetemp;temp.value=value++;returntemp;}voidmain(){Increasea,b,n;for(inti=0;i<10;i++)a=n++;cout<<"n=";n.display();cout<<"a4、=";a.display();for(i=0;i<10;i++)b=++n;cout<<"n=";n.display();cout<<"b=";b.display();}6.3.1重载++与--2021/8/224成员函数重载++#includeclassIncrease{public:Increase(){value=0;}voiddisplay()const{cout<5、;//后置private:unsignedvalue;};IncreaseIncrease::operator++(){value++;return*this;}IncreaseIncrease::operator++(int){Increasetemp;temp.value=value++;returntemp;}voidmain(){Increasea,b,n;for(inti=0;i<10;i++)a=n++;cout<<"n=";n.display();cout<<"a=";a.display();for(i=06、;i<10;i++)b=++n;cout<<"n=";n.display();cout<<"b=";b.display();}Increaseoperator++();IncreaseIncrease::operator++(){value++;return*this;}++n;预定义版本6.3.1重载++与--2021/8/225成员函数重载++#includeclassIncrease{public:Increase(){value=0;}voiddisplay()const{cout<7、lue<<'';};Increaseoperator++();//前置Increaseoperator++(int);//后置private:unsignedvalue;};IncreaseIncrease::operator++(){value++;return*this;}IncreaseIncrease::operator++(int){Increasetemp;temp.value=value++;returntemp;}voidmain(){Increasea,b,n;for(inti=0;i<10;i++8、)a=n++;cout<<"n=";n.display();cout<<"a=";a.display();for(i=0;i<10;i++)b=++n;cout<<"n=";n.display();cout<<"b=";b.display();}Increaseoperator++();IncreaseIncreas
3、ncreaseoperator++(int);//后置private:unsignedvalue;};IncreaseIncrease::operator++(){value++;return*this;}IncreaseIncrease::operator++(int){Increasetemp;temp.value=value++;returntemp;}voidmain(){Increasea,b,n;for(inti=0;i<10;i++)a=n++;cout<<"n=";n.display();cout<<"a
4、=";a.display();for(i=0;i<10;i++)b=++n;cout<<"n=";n.display();cout<<"b=";b.display();}6.3.1重载++与--2021/8/224成员函数重载++#includeclassIncrease{public:Increase(){value=0;}voiddisplay()const{cout<5、;//后置private:unsignedvalue;};IncreaseIncrease::operator++(){value++;return*this;}IncreaseIncrease::operator++(int){Increasetemp;temp.value=value++;returntemp;}voidmain(){Increasea,b,n;for(inti=0;i<10;i++)a=n++;cout<<"n=";n.display();cout<<"a=";a.display();for(i=06、;i<10;i++)b=++n;cout<<"n=";n.display();cout<<"b=";b.display();}Increaseoperator++();IncreaseIncrease::operator++(){value++;return*this;}++n;预定义版本6.3.1重载++与--2021/8/225成员函数重载++#includeclassIncrease{public:Increase(){value=0;}voiddisplay()const{cout<7、lue<<'';};Increaseoperator++();//前置Increaseoperator++(int);//后置private:unsignedvalue;};IncreaseIncrease::operator++(){value++;return*this;}IncreaseIncrease::operator++(int){Increasetemp;temp.value=value++;returntemp;}voidmain(){Increasea,b,n;for(inti=0;i<10;i++8、)a=n++;cout<<"n=";n.display();cout<<"a=";a.display();for(i=0;i<10;i++)b=++n;cout<<"n=";n.display();cout<<"b=";b.display();}Increaseoperator++();IncreaseIncreas
5、;//后置private:unsignedvalue;};IncreaseIncrease::operator++(){value++;return*this;}IncreaseIncrease::operator++(int){Increasetemp;temp.value=value++;returntemp;}voidmain(){Increasea,b,n;for(inti=0;i<10;i++)a=n++;cout<<"n=";n.display();cout<<"a=";a.display();for(i=0
6、;i<10;i++)b=++n;cout<<"n=";n.display();cout<<"b=";b.display();}Increaseoperator++();IncreaseIncrease::operator++(){value++;return*this;}++n;预定义版本6.3.1重载++与--2021/8/225成员函数重载++#includeclassIncrease{public:Increase(){value=0;}voiddisplay()const{cout<7、lue<<'';};Increaseoperator++();//前置Increaseoperator++(int);//后置private:unsignedvalue;};IncreaseIncrease::operator++(){value++;return*this;}IncreaseIncrease::operator++(int){Increasetemp;temp.value=value++;returntemp;}voidmain(){Increasea,b,n;for(inti=0;i<10;i++8、)a=n++;cout<<"n=";n.display();cout<<"a=";a.display();for(i=0;i<10;i++)b=++n;cout<<"n=";n.display();cout<<"b=";b.display();}Increaseoperator++();IncreaseIncreas
7、lue<<'';};Increaseoperator++();//前置Increaseoperator++(int);//后置private:unsignedvalue;};IncreaseIncrease::operator++(){value++;return*this;}IncreaseIncrease::operator++(int){Increasetemp;temp.value=value++;returntemp;}voidmain(){Increasea,b,n;for(inti=0;i<10;i++
8、)a=n++;cout<<"n=";n.display();cout<<"a=";a.display();for(i=0;i<10;i++)b=++n;cout<<"n=";n.display();cout<<"b=";b.display();}Increaseoperator++();IncreaseIncreas
此文档下载收益归作者所有