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Math.random()

1 reply on 1 page. Most recent reply: Feb 24, 2003 9:14 AM by Mike Penner

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Abdul Sattar

Posts: 1
Nickname: hisattar
Registered: Feb, 2003

Math.random() Posted: Feb 24, 2003 8:30 AM
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Hi dear, I just want to ask about the internal procedure of Math.random()to give random number.
During calling this method, what thing is consider, Either memory address, time clock, etc of system.


Mike Penner

Posts: 16
Nickname: mikepenner
Registered: Jan, 2003

Re: Math.random() Posted: Feb 24, 2003 9:14 AM
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Short answer: the clock.

Longer answer: In JDK1.3.1_03, Math.random() returns a value generated by a static instance of java.util.Random, whose zero-arg constructor uses the result of System.currentTimeMillis() as a seed.

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