class A
{
protected A()
{
}
static A a = null;
static A A
{
get
{
if (a == null) a = new A();
return a;
}
}
}
{
protected A()
{
}
static A a = null;
static A A
{
get
{
if (a == null) a = new A();
return a;
}
}
}
看看设计模式的书,这是Singleton