static void Main(string[] args)
{
RoadSign SpeedLimit60Km = new RoadSign("Speed limit is 60 km. h", "You cann't move with a speed exceeding 60 km. h", true);
Console.WriteLine(SpeedLimit60Km.ToString());
Console.WriteLine(SpeedLimit60Km.Action());
RoadSign RoadClosed = new RoadSign("Road closed", "You cann't move by this road", false, "Cargo", "The sign applies only to cargo transport");
Console.WriteLine(RoadClosed.ToString());
Console.WriteLine(RoadClosed.Action());
Semafor threeLightsSemafor = new Semafor("Semafor", "Vehicle travel is regulated depending on the color of the traffic light");
Console.WriteLine(threeLightsSemafor.ToString());
threeLightsSemafor.SwitchSemaforColor(5000);
}
public override string ToString()
{
if (trafficPermission == null)
{
return("It is additional sign: " + base.ToString());
}
else if (additionalSign == null)
{
return(base.ToString() + ", traffic permission is: " + trafficPermission);
}
else
{
return(base.ToString() + ", traffic permission is: " + trafficPermission + ", " + additionalSign.ToString());
}
}
