public override bool Equals(Object obj)
{
//Check for null and compare run-time types.
if ((obj == null) || !this.GetType().Equals(obj.GetType()))
{
return(false);
}
else
{
Empty2 e2 = (Empty2)obj;
return((MyProperty == e2.MyProperty) && (GetHashCode() == e2.GetHashCode()));
}
}
static void Main(string[] args)
{
//GetHashCode()
//A hash code is a numeric value that is used to identify an object during equality testing.
//It can also serve as an index for an object in a collection.
//The GetHashCode method is suitable for use in hashing algorithms and data structures such as a hash table.
//Equals(Object1)
//Determines whether the specified object is equal to the current object.
//https://docs.microsoft.com/en-us/dotnet/api/system.object.equals?view=netframework-4.7.2
//GetType()
//Gets the Type of the current instance.
//ToString()
//Returns a string that represents the current object.
//Console.WriteLine("-----------------------------------------------");
//Console.WriteLine("Empty Class");
//Empty a = new Empty();
//a.MyProperty = 1;
//Empty b = new Empty();
//b.MyProperty = 1;
//Console.WriteLine($"a.GetHashCode: {a.GetHashCode()}, b.GetHashCode: {b.GetHashCode()}");
//Console.WriteLine($"a == b: {a.Equals(b)}");
//Console.WriteLine($"a.Type: {a.GetType()}, b.Type: {b.GetType()}");
//Console.WriteLine($"a.ToString: {a.ToString()}");
Console.WriteLine("-----------------------------------------------");
Console.WriteLine("Empty2 Class");
Empty2 a2 = new Empty2();
a2.MyProperty = 2;
Empty2 b2 = new Empty2();
b2.MyProperty = 2;
Console.WriteLine($"a2.GetHashCode: {a2.GetHashCode()}, b2.GetHashCode: {b2.GetHashCode()}");
Console.WriteLine($"a2 == b: {a2.Equals(b2)}");
Console.WriteLine($"a2.Type: {a2.GetType()}, b2.Type: {b2.GetType()}");
Console.WriteLine($"a2.ToString: {a2.ToString()}");
Console.ReadLine();
}
