C++语言基础 例程 类的成员函数

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#include <iostream>using namespace std;class Time{public:    void set_time(int,int,int);    void show_time();private:    int hour;    int minute;    int sec;};int main( ){    Time t1,t2;    t1.set_time(12,45,32);    t2.set_time(21,32,15);    t1.show_time();    t2.show_time( );    return 0;}void Time::set_time(int h,int m,int s){    hour=h;    minute=m;    sec=s;}void Time::show_time(){    cout<<hour<<":";    cout<<minute<<":";    cout<<sec<<endl;}