static void Main(string[] args)
{
//单线程
Singleton singleton = Singleton.GetSingleton();
singleton.Show();
//线程安全模式
SingletonThreadSafe singleton1 = SingletonThreadSafe.GetSingleton();
singleton1.Show();
}
/// <summary>
/// 提供一个静态方法获取实例对象
/// </summary>
/// <returns></returns>
public static SingletonThreadSafe GetSingleton()
{
//双重检查
if (singleton == null)
{
lock (lockObj)
{
if (singleton == null)
{
singleton = new SingletonThreadSafe();
}
}
}
return(singleton);
}
