定义一个时间类Time，能提供和设置由时、分、秒组成的时间，并编出应用程序，定义时间对象，设置时间，输出该对象提供的时间。-Define a time Time, can be provided and is set by, minutes, and seconds of the time, and to compile the application, object of the defined time, setup time, the time the output of the obje