Java Utililty Methods Byte Array to Hex

return bufferToHex(bytes, 0, bytes.length);

StringBuffer sb = new StringBuffer(buffer.length * 2);
for (int i = 0; i < buffer.length; i++) {
    char a = HEX_CHARS[(buffer[i] & 0xF0) >> 4];
    char b = HEX_CHARS[buffer[i] & 0x0F];
    sb.append(a);
    sb.append(b);
return sb.toString();
...

int i;
int myStop;
StringBuilder sb = new StringBuilder();
myStop = (length > data.length) ? data.length : length;
for (i = start; i < start + myStop; i++) {
    sb.append(String.format("%02x ", data[i]));
return sb.toString();
...

return ("" + "0123456789ABCDEF".charAt(0xf & bt >> 4) + "0123456789ABCDEF".charAt(bt & 0xf));

StringBuffer bf = new StringBuffer();
for (byte b : values) {
    String str = byte2Hex(b, false);
    bf.append(str);
return bf.toString();

if (abValue == null) {
    return null;
String sTemp;
StringBuffer sbHex = new StringBuffer();
for (int i = 0; i < abValue.length; i++) {
    sTemp = Integer.toHexString(abValue[i] & 0XFF);
    if (1 == sTemp.length()) {
...

StringBuilder sb = new StringBuilder(1024);
for (int n = 0; n < b.length; n++) {
    String s = Integer.toHexString(b[n] & 0xFF);
    sb.append((s.length() == 1) ? "0" + s : s);
return sb.toString();

StringBuilder str = new StringBuilder();
for (int i = 0; i < b.length; i++) {
    int _b = ((int) b[i]) & 0xff;
    char upper = Character.forDigit(_b / 16, 16);
    char lower = Character.forDigit(_b % 16, 16);
    str.append(upper);
    str.append(lower);
return str.toString();

String des = "";
String tmp = null;
for (int i = 0; i < bts.length; i++) {
    tmp = Integer.toHexString(bts[i] & 0xFF);
    if (tmp.length() == 1) {
        des = des + "0";
    des = des + tmp;
...

String des = "";
String tmp = null;
for (int i = 0; i < bts.length; i++) {
    tmp = (Integer.toHexString(bts[i] & 0xFF));
    if (tmp.length() == 1) {
        des += "0";
    des += tmp;
...