Re: Random Int between x and y
Re: Random Int between x and y
- Subject: Re: Random Int between x and y
- From: Kieran Kelleher <email@hidden>
- Date: Wed, 10 Mar 2004 10:54:07 -0500
This code works from command line. The formula you want is indicated
below in the function.
Test it on command line after compiling using something like
> java RandIntBetweenXAndY 1000 1400
public class RandIntBetweenXAndY
{
public static void main(String[] args)
throws NumberFormatException
{
long result = 0L;
long x = Long.parseLong(args[0], 10);
long y = Long.parseLong(args[1], 10);
System.out.println ( "x: " + x );
System.out.println ( "y: " + y );
// This is the formula you want here
result = x + Math.round( Math.random() * ( y - x ) );
System.out.println ( "Random Result: " + result );
}
}
-Kieran
PS. How's the market in Ireland for WO development? (I saw your ".ie"
domain .... I'm originally from Co.Cork myself living in Florida for
now)
________________________________________________________________
Config = OS X 10.3.2 / Java 1.4.1 / WO 5.2.2 / MySQL 4.0.18 /
Connector-J 3.0.11
Blog: http://webobjects.webhop.org/
On Mar 10, 2004, at 8:46 AM, David Griffith wrote:
Hi all,
Is there an easy way to generate a random int in the range x <= int
<= y?
I have found a couple of methods but they don't appear to do what I
need.
I'm sure there's a simple answer....
Regards,
Dave.
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