public override bool Equals(object obj)
{
MilitaryPlane plane = obj as MilitaryPlane;
return(plane != null &&
base.Equals(obj) &&
Type == plane.Type);
}
public bool Equals(MilitaryPlane plane)
{
bool isEqual = base.Equals(plane) && PlaneType == plane.PlaneType;
return(isEqual);
}
