Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2012-2014 David Karnok
 *
 * 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.ListIterator;

public class Main {
    /**
     * Returns the indexth element from the list by using the list iterator to navigate.
     * @param <T> the element type
     * @param it the list iterator
     * @param index the target index
     * @return the value
     */
    private static <T> T get(ListIterator<? extends T> it, int index) {
        T obj = null;
        int pos = it.nextIndex();
        if (pos <= index) {
            do {
                obj = it.next();
            } while (pos++ < index);
        } else {
            do {
                obj = it.previous();
            } while (--pos > index);
        }
        return obj;
    }
}