C++例题-编写类输出时间[2.3]

#include <iostream>
using namespace std;

class Time
{
    public:
    void set_time();
    void show_time();
    
    private:
    int hour;
    int minute;
    int sec;
};

int main()
{
    Time t1;
    t1.set_time();
    t1.show_time();
    
    Time t2;
    t2.set_time();
    t2.show_time();
    
    system("pause");
    return 0;
}

void Time::set_time()
{
     cin >> hour;
     cin >> minute;
     cin >> sec;
}

void Time::show_time()
{
     cout << hour << " : " << minute << " : " << sec <<endl;
}