Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*******************************************************************************
 * Copyright 2015
 * Ubiquitous Knowledge Processing (UKP) Lab
 * Technische Universitt Darmstadt
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/

import java.util.Collection;

import java.util.Iterator;
import java.util.List;

public class Main {
    public static <T> T lastOf(final Collection<T> collection) {
        if (collection instanceof List) {
            final List<T> list = (List<T>) collection;
            final int lastIndex = list.size() - 1;
            return list.get(lastIndex);
        } else {
            return nthOf(collection, collection.size() - 1);
        }
    }

    /**
     * Retrieves the nth element by linear search.
     * 
     * The first element has index 0.
     * 
     * @param iterable the iterable
     * @param n the 0-based index
     * @return the item
     */
    public static <T> T nthOf(final Iterable<T> iterable, final int n) {
        final Iterator<T> iter = iterable.iterator();
        for (int i = 0; i < n; ++i) {
            iter.next();
        }
        return iter.next();
    }
}