Main.java Source code

Java tutorial

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Here is the source code for Main.java

Source

//package com.java2s;
/**
 * Copyright (C) 2010  Marcellus C. Tavares
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
    
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
    
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.util.Collection;
import java.util.Iterator;

public class Main {
    public static <E> E at(Collection<E> collection, int index) throws Exception {

        Iterator<E> itr = collection.iterator();

        for (int i = 0; itr.hasNext(); i++) {
            E element = itr.next();

            if (i == index) {
                return element;
            }
        }

        return null;
    }
}