RandomUtils.java

package com.server.utils;

import java.util.concurrent.ThreadLocalRandom;

/**
 * @author ZMS
 */
public final class RandomUtils {

    public static int random(int i) {
        return ThreadLocalRandom.current().nextInt(i);
    }

    public static int random() {
        return ThreadLocalRandom.current().nextInt();
    }
}