Java Hex Calculate toHex(byte[] bytes)

Description

to Hex

License

Apache License

Declaration

public static String toHex(byte[] bytes) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

public class Main {
    /** A table of hex digits */
    private static final char[] hexDigit = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D',
            'E', 'F' };

    /**/* www.jav a 2  s .  co m*/
     * Convert a nibble to a hex character
     * @param   nibble  the nibble to convert.
     */
    public static char toHex(int nibble) {
        return hexDigit[(nibble & 0xF)];
    }

    public static String toHex(byte[] bytes) {
        StringBuilder sb = new StringBuilder(bytes.length * 2);
        for (byte b : bytes) {
            sb.append(toHex(b >>> 4));
            sb.append(toHex(b));
        }
        return sb.toString();
    }
}

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