Java Hex Calculate toHex(byte[] bytes)

Description

Convert a byte array into its hex string representation.

License

Apache License

Parameter

Parameter	Description
bytes	the byte array to convert

Return

A hex string representing the bytes

Declaration

public static String toHex(byte[] bytes) 

Method Source Code

//package com.java2s;
/*// w ww.  j  a  v a 2 s .c  om
 * Copyright ? 2014 Cask Data, Inc.
 *
 * 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.
 */

public class Main {
    /**
     * Convert a byte array into its hex string representation.
     *
     * @param bytes the byte array to convert
     * @return A hex string representing the bytes
     */
    public static String toHex(byte[] bytes) {
        StringBuilder builder = new StringBuilder(bytes.length * 2);
        for (byte b : bytes) {
            try {
                builder.append(Character.forDigit(b >> 4 & 0x0F, 16));
                builder.append(Character.forDigit(b & 0x0F, 16));
            } catch (IllegalArgumentException e) {
                // odd, that should never happen
                e.printStackTrace();
            }
        }
        return builder.toString();
    }
}

Related

1. toHex(byte[] bytes)
2. toHex(byte[] bytes)
3. toHex(byte[] bytes)
4. toHex(byte[] bytes)
5. toHex(byte[] bytes)
6. toHex(byte[] bytes)
7. toHex(byte[] bytes)
8. toHex(byte[] bytes)
9. toHex(byte[] bytes)