列出

/**

 * Licensed to the Apache Software Foundation (ASF) under one or more

 * contributor license agreements.  See the NOTICE file distributed with

 * this work for additional information regarding copyright ownership.

 * The ASF licenses this file to You 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.

 */
 /* 
 *来 自
  NowJava.com
 */

//package com.nowjava;

import java.util.ArrayList;

import java.util.Collection;

import java.util.Collections;

import java.util.Comparator;

import java.util.List;


public class Main {

    /**

     * @param iterable {@link Iterable} whose contents are to be put into a {@link List}

     * @return a {@link List} with the objects one gets by iterating over the given {@link Iterable}

     */

    public static <K> List<K> iterableToList(Iterable<K> iterable) {

        return iterableToList(iterable, null);

    }


    /**

     * @param iterable   {@link Iterable} whose contents are to be put into a {@link List}

     * @param comparator {@link Comparator} defining the sort order of the returned {@link List}

     * @return a {@link List} with the objects one gets by iterating over the given {@link Iterable}, sorted according to

     *         the given {@link Comparator}

     */

    public static <K> List<K> iterableToList(Iterable<K> iterable,

            Comparator<K> comparator) {

        if (iterable == null) {

            throw new IllegalArgumentException("iterable is null");

        }

        List<K> list;/** from nowjava**/

        if (iterable instanceof Collection) {

            if (iterable instanceof List) {

                list = (List<K>) iterable;

            } else {

                Collection<K> collection = (Collection<K>) iterable;

                list =