public static LazySingleton GetInstance()
{
if (instance == null)
{
lock (syncRoot)
{
if (instance == null)
{
instance = new LazySingleton();
}
}
}
return(instance);
}
static void Main(string[] args)
{
EagerSingleton eSingleton1 = EagerSingleton.GetInstance();
EagerSingleton eSingleton2 = EagerSingleton.GetInstance();
if (eSingleton1 == eSingleton2)
{
Console.WriteLine("两个对象是相等实例");
}
LazySingleton lSingleton1 = LazySingleton.GetInstance();
LazySingleton lSingleton2 = LazySingleton.GetInstance();
if (lSingleton1 == lSingleton2)
{
Console.WriteLine("两个对象是相等实例");
}
Console.ReadLine();
}
