Programming-Idioms

Edit summary for version 78 by yusufaytas:
[Java] doesn't require import

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2019-09-26, 18:47:48

2019-09-26, 19:04:48

Idiom #11 Pick a random element from a list

List x must be non-empty.

List x must be non-empty.

choose

choose

import java.util.Random;

import java.util.Random;

x.get(new Random().nextInt(x.size()))

x.get((int)(Math.random()*x.size()))

Consider reusing the Random object, don't create it each time you pick an element.

Consider reusing the Random object, don't create it each time you pick an element.

http://rosettacode.org/wiki/Pick_random_element#Java

http://rosettacode.org/wiki/Pick_random_element#Java

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