public static SpaceShip Instance(string nameOfShip)
{
if (spaceship == null)
{
if (nameOfShip == "Interpid")
{
spaceship = new Interpid();
}
else if (nameOfShip == "Enterprise")
{
spaceship = new Enterprise();
}
else if (nameOfShip == "Pegasus")
{
spaceship = new Pegasus();
}
wichShip = nameOfShip;
}
return(spaceship);
}
public void clearInstance()
{
spaceship = null;
}
