OK to use, but only in certain context:
protected Map clientList = Collections.synchronizedMap( new HashMap());
Notice the reference to the static method...
----- Original Message -----
From: "Bo Xu" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, June 14, 2001 1:11 PM
Subject: Re: MultiThreadModel-Problem?
> Sebastian Schulz wrote:
>
> > [...]
> > the second question is: data-container like HashMap or HashSet
> > are considered to be not Thread-save. Can i use such containers
> > in a MultiThreadModel-Servlet or must i use only slower structures
> > like Vector?
> >
> > your help is realy needed, many thanks
> > in advance!
> >
> > basti
>
> Hi :-) in a book: "Java Platform Performance" ISBN: 0-201-70969-4,
> in about Page 126, there are disscussion and benchmark about the
> following:
> - Vector
> - (mutable) Java 2 Collections
> - immutable(unmodifiable) collection wrappers
>
> BTW, java.util.Collections also has "synchronized wrapper"
>
>
> Bo
> June 14, 2001
>
>
>
