Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

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

public class Main {
    public static <E> E getElementAtIndex(Collection<E> set, int idx) {
        if (idx >= set.size() || idx < 0) {
            throw new IndexOutOfBoundsException();
        }
        Iterator<E> it = set.iterator();
        for (int i = 0; i < idx; ++i) {
            it.next();
        }
        return it.next();
    }
}