public static Singleton2 getInstance()
{
lock (obj)
{
if (singleton == null)
{
singleton = new Singleton2();
}
}
return(singleton);
}
static void Main(string[] args)
{
for (int i = 0; i < 10000; i++)
{
new Thread(() => { Singleton1.getInstance(); }).Start();
new Thread(() => { Singleton2.getInstance(); }).Start();
new Thread(() => { Singleton3.getInstance(); }).Start();
new Thread(() => { Singleton4.getInstance(); }).Start();
}
Console.Read();
}
public static Singleton2 GetSingleton()
{
if (singleton == null)
{
lock (obj)
{
if (singleton == null)
{
singleton = new Singleton2();
}
}
}
return(singleton);
}
static void Main(string[] args)
{
Singleton1 s1 = Singleton1.GetInstance();
s1.Name = "张三";
Singleton2 s2 = Singleton2.GetInStance();
s2.Name = "王五";
Console.WriteLine(s1.Name);
Console.WriteLine(s2.Name);
Console.ReadKey();
}