Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.util.Collection;
import java.util.Random;

public class Main {
    public static <E> E randomElement(Collection<E> elements) {
        return (E) elements.toArray()[randomIndex(elements)];
    }

    public static int randomIndex(Collection<?> collection) {
        return new Random().nextInt(collection.size());
    }
}