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November 2001

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This page contains an archived post to the Java Answers Forum made prior to February 25, 2002. If you wish to participate in discussions, please visit the new Artima Forums.

Message:

bits

Posted by Bing Lu on November 07, 2001 at 4:17 PM

can you use bits for efficiency, if one is used flip a bit, keeping tracking of bits will be faster than integers, right?
> I would like to write an algorithm that generates a random number from 1 - 108. The generator will give out a value randomly without repeating a value, until every single value has been selected and returned. Does anyone have an idea on how to do this?
> I am thinking maybe start with an array, using a simple for loop to fill it with the values starting at 1 - 108. As for choosing randomly and then not repeating a choice I am not quite sure what to do.

> -Nam Hu






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