{
private static final SingletonObj singleton;
// optional - use if you want the initialization to occur as class load
time
// Otherwise, the initialization will occur at first call to
getSingleton();
// static initialization at load time
static {
getSingelton ()/
}
private SingletonObj ()
{
super ();
singleton = this;
}
public static synchronized SingletonObj getSingleton ()
{
if ( singleton == null )
{
new SingletonObj();
}
return singleton;
}
}
On Fri, 2005-08-05 at 20:11 -0700, Ming Han wrote:
> You can use Singleton pattern, but care must be taken.
>
> For example
>
> if ( singleton == null )
> {
> singleton = new SingletonObj();
> }
>
> There might be a case where few thread running concurrently on the null
> checking, then multiple singleton object will be created more than one.
>
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