将给定枚举中的元素封送到给定类型的数组中。

/*来自 nowjava.com*/

/*

 * Copyright 2002-2015 the original author or authors.

 *

 * 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.

 */

//package com.nowjava;

import java.util.*;


public class Main {

    /**

     * Marshal the elements from the given enumeration into an array of the given type.

     * Enumeration elements must be assignable to the type of the given array. The array

     * returned will be a different instance than the array given.

     */

    public static <A, E extends A> A[] toArray(Enumeration<E> enumeration,

            A[] array) {

        ArrayList<A> elements =