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Java 将类型化集合转换为类型化数组。

欢马劈雪

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将类型化集合转换为类型化数组。

实例源码：

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/**

* 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.book2s;

import java.lang.reflect.Array;

import java.util.Collection;
/** 
 来自 时代Java - N o w  J a v a . c o m**/

public class Main {

public static void main(String[] argv) {

Class type = String.class;

Collection collection = java.util.Arrays.asList("asdf",

"book2s.com");

System.out.println(java.util.Arrays.toString(toArray(type,

collection)));

}

/**

* Converts a typed {@link Collection} to a typed array.

* @param type

*            the type class

* @param collection

*            the collection to convert to an array.

* @return the array.

@SuppressWarnings("unchecked")
    /*

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编辑于 2020-03-26 09:23:272020-03-26 09:23:27

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