Re: Synchronized implementations

In article <Hl0Gi.6837$cy3.591@[EMAIL PROTECTED]
>,
 Joshua Cranmer <Pidgeot18@[EMAIL PROTECTED]
> wrote:

> I have noticed a few times that Java implements synchronized blocks
thusly:
> 
> aload 4
> dup
> astore 5
> monitorenter
> [ various instructions ]
> aload 5
> monitorexit
> 
> Why does it duplicate the variable when running synchronized blocks?

Because you might have code like this:
    synchronized (something) {
        ...
        something := somethingElse;
        ...
    }

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