public override bool Equals(object obj)
{ //base.Equals() contains most of logic
if (!base.Equals(obj))
{
return(false);
}
CookedFood rhs = (CookedFood)obj;
return(this._cookingMethod == rhs.CookingMethod);
}
{ /*main for value equality --> Food.cs
* static void Main(string[] args)
* {
* FoodItem banana = new FoodItem("banana", FoodGroup.Fruit);
* FoodItem banana2 = new FoodItem("banana", FoodGroup.Fruit);
* FoodItem chocolate = new FoodItem("chocolate", FoodGroup.Sweets);
* //true
* Console.WriteLine("banana == banana2 " + (banana == banana2));
* //false
* Console.WriteLine(" banana2 == chocolate " + (banana2 == chocolate));
* //false
* Console.WriteLine("chocolate == banana " + (chocolate == banana));
* //true
* Console.WriteLine("HashCode is equal for banana1&2? " + (banana.GetHashCode() == banana2.GetHashCode()));
* }*/
//main for reference equality
static void Main(string[] args)
{
Food2 apple = new Food2("apple", FoodGroup.Fruit);
CookedFood stewedApple = new CookedFood("stewed", "apple", FoodGroup.Fruit);
CookedFood bakedApple = new CookedFood("baked", "apple", FoodGroup.Fruit);
CookedFood stewedApple2 = new CookedFood("stewed", "apple", FoodGroup.Fruit);
Food2 apple2 = new Food2("apple", FoodGroup.Fruit);
DisplayWetherEqual(apple, stewedApple);
DisplayWetherEqual(stewedApple, bakedApple);
DisplayWetherEqual(stewedApple, stewedApple2);
DisplayWetherEqual(apple, apple2);
DisplayWetherEqual(apple, apple);
}
