using System;
public class Car
{
private int maxSpeed;
private Radio theMusicBox = new Radio();
public Car()
{
maxSpeed = 100;
}
public void SwitchRadio(bool state)
{
theMusicBox.TurnOn(state);
}
}
public class Radio
{
public void TurnOn(bool on)
{
if(on)
Console.WriteLine("ON...");
else
Console.WriteLine("OFF...");
}
}
public class MainClass
{
public static void Main(string[] args)
{
// Make a car.
Car c1 = new Car();
c1.SwitchRadio(true);
c1.SwitchRadio(false);
}
}
ON...
OFF...