public PublicClass()
{
//inaccessible due to protection level.
this.privateClass = new PrivateClass();
//works!
this.privateClass = PrivateClass.GetInstance();
}
public PublicClass()
{
// can't be called, privateClass's ctor/method is private
// privateClass = newPrivateClass();
// can be called, this static method is public
privateClass = PrivateClass.GetInstance();
// can't be called, it's private
// privateClass.DoWork();
}