sub array from byte Array - Java java.lang

Java examples for java.lang:byte Array

Description

sub array from byte Array

Demo Code

/*/*from w w  w  .  j a v  a 2 s  .  c  om*/
 *  Copyright Beijing 58 Information Technology Co.,Ltd.
 *
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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.java2s;

public class Main {
    public static void main(String[] argv) throws Exception {
        byte[] source = new byte[] { 34, 35, 36, 37, 37, 37, 67, 68, 69 };
        int start = 2;
        int len = 2;
        System.out.println(java.util.Arrays.toString(subArray(source,
                start, len)));
    }

    public static byte[] subArray(byte[] source, int start, int len) {
        if (start < 0) {
            start = 0;
        }
        if (len < 0 || len > source.length) {
            return null;
        }
        byte[] result = new byte[len];
        for (int i = 0; i < len; i++) {
            result[i] = source[start + i];
        }
        return result;
    }
}

Related Tutorials