Java Utililty Methods Byte Array to Hex

List of utility methods to do Byte Array to Hex

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Description

The list of methods to do Byte Array to Hex are organized into topic(s).

Method

voidbytesToHex(StringBuffer buff, byte[] src, int start, int end)
bytes To Hex 
String groupSeparator = "";
for (int i = start; i < end; i = i + 2) {
    buff.append(groupSeparator);
    int group = ((src[i] << 8) & 0xff00) | ((src[i + 1]) & 0xff);
    buff.append(Integer.toHexString(group));
    groupSeparator = ":";
String[]bytesToUnsignedHexes(byte[] bytes)
bytes To Unsigned Hexes 
String[] hexValues = new String[bytes.length];
for (int i = 0; i < bytes.length; i++) {
    hexValues[i] = Integer.toHexString(bytes[i] & 0xFF);
return hexValues;
bytebyteToBcd(byte src)
byte To Bcd 
byte re = src;
if (src <= 0x39 && src >= 0x30)
    re = (byte) (src - 0x30);
else if (src <= 0x46 && src >= 0x41)
    re = (byte) (src - 0x37);
else if (src <= 0x66 && src >= 0x61)
    re = (byte) (src - 0x57);
return re;
...
char[]byteToHex(byte b)
byte To Hex 
char[] hexChars = new char[2];
int v = b & MOST_SIGNIFICANT_MASK;
hexChars[0] = hexArray[v >>> 4];
hexChars[1] = hexArray[v & LEAST_SIGNIFICANT_MASK];
return hexChars;
char[]byteToHex(byte b)
byte To Hex 
int unsignedByte = (int) b - Byte.MIN_VALUE;
return new char[] { unsignedIntToHex((unsignedByte >> 4) & 0xf), unsignedIntToHex(unsignedByte & 0xf) };
StringbyteToHex(byte b[])
Converte um Array de Byte em uma String de Hex 
String retorno = new String();
for (int j = 0; j < b.length; j++) {
    int i = b[j] & 0xFF;
    if (i < 16) {
        retorno += "0" + (Integer.toHexString(i)).toUpperCase();
    } else {
        retorno += (Integer.toHexString(i)).toUpperCase();
return retorno;
StringbyteToHex(byte b[])
byte To Hex 
if (b == null) {
    throw new IllegalArgumentException("Argument b ( byte array ) is null! ");
String hs = "";
String stmp = "";
for (int n = 0; n < b.length; n++) {
    stmp = Integer.toHexString(b[n] & 0xff);
    if (stmp.length() == 1) {
...
StringbyteToHex(byte bytes[])
byte To Hex 
char[] hexDigits = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
StringBuffer buf = new StringBuffer(bytes.length * 2);
for (int i = 0; i < bytes.length; ++i) {
    buf.append(hexDigits[(bytes[i] & 0xf0) >> 4]);
    buf.append(hexDigits[bytes[i] & 0x0f]);
return buf.toString();
StringbyteToHex(byte data)
byte To Hex 
StringBuffer buf = new StringBuffer();
buf.append(toHexChar((data >>> 4) & 0x0F));
buf.append(toHexChar(data & 0x0F));
return buf.toString();
StringbyteToHex(byte[] array)
Converts a byte array to a hex string. 
StringBuilder buffer = new StringBuilder();
for (int i = 0; i < array.length; i++) {
    if ((array[i] & 0xff) < 0x10) {
        buffer.append("0");
    buffer.append(Integer.toString(array[i] & 0xff, 16) + " ");
return buffer.toString().trim();
...