private void TestLock()
{
var s = SingletonWithLock.GetInstance();
//var s = SingletonWithInterface.GetInstance();
//var s = Singleton.GetInstance();
//Console.WriteLine(s.GetValue());
Thread.Sleep(1000);
}
public static SingletonWithLock GetInstance()
{
if (_instance == null)
{
lock (_syncRoot)
{
if (_instance == null)
{
_instance = new SingletonWithLock();
Console.WriteLine("Created a new instance from null");
}
}
}
else
{
Console.WriteLine("Just return exists value");
}
return(_instance);
}
