Realization of clock C + + Description with Object-oriented thought

Example code for implementing clock C + + Description with Object-oriented thinking:

# include <iostream># include <time.h># include <iomanip>#  include <windows.h>//# include <unistd.h>using namespace std;// The initialized data comes from the system, subsequent logical operations and display self-implementation class clock{public:clock () {time_t  t = time (NULL); struct  tm ti = *localtime (&t); hour = ti.tm_hour;min = ti.tm_min;sec  = ti.tm_sec;} Void run () {while  (1) {System ("CLS"); show ();  //finish displaying tick ();//Data Update}}private:void show () {// System ("CLS"); COUT&NBSP;&LT;&LT;&NBSP;SETW (2)  << setfill (' 0 ')  << hour  <<  ":"; cout << setw (2)  << setfill (' 0 ')  << min  <<  ":"; cout << setw (2)  << setfill (' 0 ')  << sec  <<  ":";} Void tick () {Sleep (1);if  (++sec == 60) {sec = 0;min += 1;if (++min == 60) {min = 0;hour += 1;if  (++hour == 24) {hour =  0;}}}} int hour = 0;int min = 0;int sec = 0;}; Int main (void) {Clock c;c.run ();cout <<  " Hello World "  <<  endl;return 0;}

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Realization of clock C + + Description with Object-oriented thought