/// <summary>
 /// Initializes a new instance of the <see cref="HawaiiPizza"/> class.
 /// </summary>
 /// <param name="pizza">The pizza<see cref="Pizza"/></param>
 public HawaiiPizza(Pizza pizza)
 {
     mPizza = pizza;
     mPizza.SetPrice(5.99);
 }
 /// <summary>
 /// Initializes a new instance of the <see cref="SalamiPizza"/> class.
 /// </summary>
 /// <param name="pizza">The pizza<see cref="Pizza"/></param>
 public SalamiPizza(Pizza pizza)
 {
     mPizza = pizza;
     mPizza.SetPrice(5.99);
 }