static void Main(string[] args)
{
DoHardWork doHardWork = new DoHardWork();
LoggerSingelton.GetInstance().Log("Start easy work !");
doHardWork.EasyWork();
LoggerSingelton.GetInstance().Log("Start hard work !");
doHardWork.HardWork();
ThreadSafeLoggerSingleton.GetInstance().Log("Thread Safe Logger !");
Console.ReadKey();
}
