Path: csiph.com!x330-a1.tempe.blueboxinc.net!newsfeed.hal-mli.net!feeder3.hal-mli.net!newsfeed.hal-mli.net!feeder1.hal-mli.net!npeer02.iad.highwinds-media.com!news.highwinds-media.com!feed-me.highwinds-media.com!postnews.google.com!news2.google.com!Xl.tags.giganews.com!border1.nntp.dca.giganews.com!nntp.giganews.com!local2.nntp.dca.giganews.com!nntp.earthlink.com!news.earthlink.com.POSTED!not-for-mail
NNTP-Posting-Date: Tue, 13 Dec 2011 19:33:45 -0600
Date: Tue, 13 Dec 2011 17:33:44 -0800
From: Patricia Shanahan <pats@acm.org>
User-Agent: Thunderbird 1.5.0.2 (Windows/20060308)
MIME-Version: 1.0
Newsgroups: comp.lang.java.help
Subject: Re: Generating a random number on a ball
References: <18f0d020-b1ab-42fe-aaca-94d193a393f2@y6g2000yqe.googlegroups.com> <m1j7d7dj14j9fhn80jcfsnb7p03nujo584@4ax.com> <gnt6pl0t0agl$.1j1jobujp7x3w.dlg@40tude.net>
In-Reply-To: <gnt6pl0t0agl$.1j1jobujp7x3w.dlg@40tude.net>
Content-Type: text/plain; charset=ISO-8859-7; format=flowed
Content-Transfer-Encoding: 8bit
Message-ID: <JJ-dnTn9OL9kYXrTnZ2dnUVZ_gOdnZ2d@earthlink.com>
Lines: 19
X-Usenet-Provider: http://www.giganews.com
NNTP-Posting-Host: 70.230.194.31
X-Trace: sv3-hEst2cAp1Rpl4hElWiEH+gq0h6t9muZ3A9BVrvmyP1FUryDjOwtpjvYppYTB0ZYtdQkxP4eoruDgCgz!L6IqROddKBQYKuYusnlAQLQAW5wsD4YNaevd9uIW7e95v9P+ipe7RtBlg+HvulCHT9hAVcjqvWh8!hxibYzX5GFVTi9XiNST0a1A2AJMZygDxoMTrFTkG1p4Crg==
X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers
X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly
X-Postfilter: 1.3.40
X-Original-Bytes: 1926
Xref: x330-a1.tempe.blueboxinc.net comp.lang.java.help:1448

Joerg Meier wrote:
> On Mon, 28 Nov 2011 10:02:01 -0800, Roedy Green wrote:
> 
>> I don't see your random number code. See
>> http://mindprod.com/jgloss/pseudorandom.html
>> for how to generate the numbers Getting the number on the ball in 2D
>> is a matter of knowing where the ball is and doing a drawString.
> 
> I looked at that and randomly saw:
> 
> "Donąt use two different generators with a null seed."
> 
> Do you mean "0" seed, or no seed ? Because the Random constructor will not
> take null.

No seed. The problem is that the default seed may not have changed, so
the two generators may be returning the same sequence of numbers.

Patricia