static void Main(string[] args)
{
// Value equality
FoodItem banana = new FoodItem("banana", FoodGroup.Fruits);
FoodItem banana2 = new FoodItem("banana", FoodGroup.Fruits);
FoodItem peach = new FoodItem("peach", FoodGroup.Fruits);
FoodItem salami = new FoodItem("salami", FoodGroup.Meat);
Console.WriteLine($".Equals -> banana = banana2 :" + banana.Equals(banana2));
Console.WriteLine($".Equals -> banana = peach :" + banana.Equals(peach));
Console.WriteLine($".Equals -> banana = salami :" + banana.Equals(salami));
Console.WriteLine($"'==' -> banana = banana2 :" + (banana == banana2));
Console.WriteLine($"'==' -> banana = peach :" + (banana == peach));
Console.WriteLine($"'==' -> banana = salami :" + (banana == salami));
// Reference equality
Food apple = new Food("apple", FoodGroup.Fruits);
CookedFood stewedApple = new CookedFood("stewed", "apple", FoodGroup.Fruits);
CookedFood bakedApple = new CookedFood("basked", "apple", FoodGroup.Fruits);
CookedFood stewedApple2 = new CookedFood("stewed", "apple", FoodGroup.Fruits);
Food apple2 = new Food("apple", FoodGroup.Fruits);
DisplayWhetherEqual(apple, stewedApple);
DisplayWhetherEqual(stewedApple, bakedApple);
DisplayWhetherEqual(stewedApple, stewedApple2);
DisplayWhetherEqual(apple, apple2);
DisplayWhetherEqual(apple, apple);
Console.ReadLine();
}
public override bool Equals(object obj)
{
if (!base.Equals(obj)) // we are using overrided Equals method from Food.cs
{
return(false);
}
CookedFood rhs = (CookedFood)obj;
return(this._cookingMethod == rhs._cookingMethod);
}
