Answer a random element from source Collection - Java java.util

Java examples for java.util:Collection Element

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Description

Answer a random element from source Collection

Demo Code


import java.util.*;

public class Main{
    public static void main(String[] argv){
        Collection source = java.util.Arrays.asList("asdf","book2s.com");
        System.out.println(pickRandom(source));
    }//w w  w . ja  v  a  2  s.c o  m
    /**
     * Answer a random element from source Creation date: (13.10.2002 17:08:01)
     * 
     * @return java.lang.Object
     * @param source
     *            java.util.Collection
     */
    public static Object pickRandom(Collection source) {
        Object[] S = source.toArray();
        return S[MathUtils.random(0, S.length)];
    }
}

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