Java Collection Random Element nextItem(Collection items, Random random)

Description

next Item

License

LGPL

Declaration

public static <T> T nextItem(Collection<T> items, Random random) 

Method Source Code

//package com.java2s;
//License from project: LGPL 

import java.util.Collection;
import java.util.List;
import java.util.Random;

public class Main {
    public static <T> T nextItem(Collection<T> items, Random random) {
        int randomIndex = random.nextInt(items.size());
        int count = 0;
        for (T item : items) {
            if (count == randomIndex)
                return item;
            count++;/*w  w  w . ja v a  2  s . c o  m*/
        }
        return null;
    }

    public static <T> T nextItem(List<T> items, Random random) {
        int randomIndex = random.nextInt(items.size());
        return items.get(randomIndex);
    }
}

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