static void Main(string[] args)
{
var db = SingletonDatabase.Instance;
var city = "Tokyo";
WriteLine($"{city} has population {db.GetPopulation(city)}");
var cb = new ContainerBuilder();
cb.RegisterType <OrdinaryDatabase>().As <IDatabase>().SingleInstance();
var container = cb.Build();
var odb1 = container.Resolve <IDatabase>();
var odb2 = container.Resolve <IDatabase>();
WriteLine($"Does OrdinaryDatabase return the same instance? : {odb1 != null && odb1.Equals(odb2)}");
// monostate
var ceo1 = new CEO()
{
Name = "Adam Smith",
Age = 55,
};
var ceo2 = new CEO();
WriteLine(ceo2);
}
public static void Example()
{
var ceo = new CEO();
ceo.Name = "Adam Smith";
ceo.Age = 57;
var ceo2 = new CEO();
Console.WriteLine($"First instance of CEO class: {ceo}");
Console.WriteLine($"Second instance of CEO class:{ceo2}");
}
static void Main(string[] args)
{
var db = SingletonDatabase.Instance;
System.Console.WriteLine(db.GetPopulation("Tokyo"));
var ceo = new CEO();
ceo.Name = "John Doe";
ceo.Age = 55;
var ceo2 = new CEO();
System.Console.WriteLine(ceo2.Name + " " + ceo2.Age); // John Doe 55
}