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新增:ByteBuffer中字节存储次序
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‎src/org/javacore/nio/Endians.java‎

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package org.javacore.nio;
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import java.nio.ByteBuffer;
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import java.nio.ByteOrder;
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import java.util.Arrays;
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/*
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* Copyright [2015] [Jeff Lee]
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @author Jeff Lee
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* @since 2015-10-13 20:40:00
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* ByteBuffer中字节存储次序
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*/
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public class Endians {
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public static void main(String[] args) {
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// 创建12个字节的字节缓冲区
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ByteBuffer bb = ByteBuffer.wrap(new byte[12]);
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// 存入字符串
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bb.asCharBuffer().put("abdcef");
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System.out.println(Arrays.toString(bb.array()));
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// 反转缓冲区
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bb.rewind();
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// 设置字节存储次序
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bb.order(ByteOrder.BIG_ENDIAN);
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bb.asCharBuffer().put("abcdef");
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System.out.println(Arrays.toString(bb.array()));
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// 反转缓冲区
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bb.rewind();
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// 设置字节存储次序
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bb.order(ByteOrder.LITTLE_ENDIAN);
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bb.asCharBuffer().put("abcdef");
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System.out.println(Arrays.toString(bb.array()));
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}
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}

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