Java 从字节数组中提取int。

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从字节数组中提取int。

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* Copyright The Sett Ltd, 2005 to 2014.

* 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;/*N  o w  J a v a . c o m 提供*/

public class Main {

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

byte[] buf = new byte[] { 34, 35, 36, 37, 37, 37, 67, 68, 69 };

int offset = 2;

System.out.println(getIntFromBytes(buf, offset));

}

/**

* Extracts an int from an array of bytes.

* @param  buf    The array of bytes to extract the int from.

* @param  offset The offset of the start of the int in the byte array.

* @return An integer extracted from the 4 bytes of data.

public static int getIntFromBytes(byte[] buf, int offset) {

int result = 0;

/**代码未完, 请加载全部代码(NowJava.com).**/

​x
 
​
/*
​
 * Copyright The Sett Ltd, 2005 to 2014.
​
 *
​
 * 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;/*N  o w  J a v a . c o m 提供*/
​
​
public class Main {
​
    public static void main(String[] argv) throws Exception {
​
        byte[] buf = new byte[] { 34, 35, 36, 37, 37, 37, 67, 68, 69 };
​
        int offset = 2;
​
        System.out.println(getIntFromBytes(buf, offset));
​
    }
​
​
    /**
​
     * Extracts an int from an array of bytes.
​
     *
​
     * @param  buf    The array of bytes to extract the int from.
​
     * @param  offset The offset of the start of the int in the byte array.
​
     *
​
     * @return An integer extracted from the 4 bytes of data.
​
     */
​
    public static int getIntFromBytes(byte[] buf, int offset) {
​
        int result = 0;
​
​
/**代码未完, 请加载全部代码(NowJava.com).**/