Java Hex Calculate toHex(byte[] data)

Description

Convert data to a string of hex-digits.

License

Open Source License

Parameter

Parameter	Description
data	a parameter

Declaration

public static String toHex(byte[] data) 

Method Source Code

//package com.java2s;

public class Main {
    /**//from w  w  w .  j a v  a 2  s  . c  om
     * Convert data to a string of hex-digits.
     *
     * @param data
     * @return
     */
    public static String toHex(byte[] data) {
        StringBuilder sb = new StringBuilder();
        for (byte b : data) {
            sb.append(nibbleToHex(b >>> 4));
            sb.append(nibbleToHex(b));
        }
        return sb.toString();
    }

    /**
     * Get the hex-digit representation of a value. Only the first 4 bits of
     * the value is considered.
     *
     * @param value
     * @return
     */
    public static char nibbleToHex(int value) {
        value &= 0xf;
        return (char) (value > 9 ? 'a' + (value - 10) : '0' + value);
    }
}

Related

1. toHex(byte[] bytes)
2. toHex(byte[] bytes, int maxlen)
3. toHex(byte[] data)
4. toHex(byte[] data)
5. toHex(byte[] data)
6. toHex(byte[] data)
7. toHex(byte[] data)
8. toHex(byte[] data)
9. toHex(byte[] data, int bytesPerGroup)