Java Hex Print printHex(byte[] array)

Description

print Hex

License

Apache License

Declaration

public static String printHex(byte[] array) 

Method Source Code

//package com.java2s;
/*// ww  w . j av a  2s  .  c  om
 * 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.
 */

public class Main {
    final static char[] digits = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };

    public static String printHex(byte[] array) {
        return printHex(array, 0, array.length);
    }

    public static String printHex(byte[] array, int offset, int len) {
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < len; i++) {
            byte b = array[offset + i];
            if (sb.length() > 0) {
                sb.append(' ');
            }
            sb.append(digits[(b >> 4) & 0x0F]);
            sb.append(digits[b & 0x0F]);
        }
        return sb.toString();
    }
}

Related

1. printHex(byte b)
2. printHex(byte[] array, int offset, int len)
3. printHex(byte[] b)
4. printHex(byte[] bytes)
5. printHex(byte[] bytes)