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Java 从数组中移除元素。

欢马劈雪

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从数组中删除一个元素。

实例源码：

源代码：

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/*from nowjava - 时  代  Java*/

/**

* The contents of this file are subject to the Mozilla Public

* License Version 1.1 (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.mozilla.org/MPL/

* Software distributed under the License is distributed on an "AS

* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or

* implied. See the License for the specific language governing

* rights and limitations under the License.

* The Initial Developer of this code is Technology Concepts

* and Design, Inc.

* Rights Reserved.

* Contributor(s):  Eric B. Ridge (Technology Concepts and Design, Inc.)

* Alternatively, the contents of this file may be used under the

* terms of the GNU General Public License Version 2 or later (the

* "GPL"), in which case the provisions of the GPL are applicable

* instead of those above.  If you wish to allow use of your

* version of this file only under the terms of the GPL and not to

* allow others to use your version of this file under the MPL,

* indicate your decision by deleting the provisions above and

* replace them with the notice and other provisions required by

* the GPL.  If you do not delete the provisions above, a recipient

* may use your version of this file under either the MPL or the

* GPL.

//package com.nowjava;

public class Main {

public static void main(String[] argv) throws Exception {

Object[] array = new String[] { "1", "abc", "level", null,

"nowjava.com", "asdf 123" };

int idx = 2;

System.out.println(removeIndex(array, idx));

}

/**

* Remove an element from an array.

* @param array the array to remove an element from

* @param idx the index of the element to remove

* @return a new array containing all objects, less object at position idx.  Castable into type of array[0]

public static Object removeIndex(Object[] array, int idx) {

if (idx < 0 || idx >= array.length)

throw new IndexOutOfBoundsException("" + idx

+ " not within [0, " + array.length + "]");

if (array.length == 0)
/**代码未完, 请加载全部代码(NowJava.com).**/

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

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