Java ThreadLocalRandom getRandomIntegerElement(List list)

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Description

get Random Integer Element

License

Open Source License

Declaration 

public static Integer getRandomIntegerElement(List<Integer> list)

Method Source Code


//package com.java2s;
//License from project: Open Source License 

import java.util.List;
import java.util.concurrent.ThreadLocalRandom;

public class Main {
    public static Integer getRandomIntegerElement(List<Integer> list) {
        Integer selectedElement = null;

        if (list != null && !list.isEmpty()) {
            int listSize = list.size();
            int randomIndex = ThreadLocalRandom.current().nextInt(0, listSize);
            selectedElement = list.get(randomIndex);
        }// www . j a va 2 s  .com

        return selectedElement;
    }
}

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