org.minidns.util.CollectionsUtil Maven / Gradle / Ivy
/*
* Copyright 2015-2024 the original author or authors
*
* This software is licensed under the Apache License, Version 2.0,
* the GNU Lesser General Public License version 2 or later ("LGPL")
* and the WTFPL.
* You may choose either license to govern your use of this software only
* upon the condition that you accept all of the terms of either
* the Apache License 2.0, the LGPL 2.1+ or the WTFPL.
*/
package org.minidns.util;
import java.util.Iterator;
import java.util.Random;
import java.util.Set;
public class CollectionsUtil {
public static T getRandomFrom(Set set, Random random) {
int randomIndex = random.nextInt(set.size());
Iterator iterator = set.iterator();
for (int i = 0; i < randomIndex; i++) {
if (!iterator.hasNext()) break;
iterator.next();
}
return iterator.next();
}
}