Java Utililty Methods Byte Array Dump

StringBuffer result = new StringBuffer(bb.length * 4);
String ss;
int c = 8;
int lineCount = bb.length / c;
int t = bb.length % c;
if (t != 0) {
    lineCount++;
for (int i = 0; i < lineCount; i++) {
    result.append(i * c + "\t:");
    int tt = c;
    if (t != 0 && i == lineCount - 1) {
        tt = t;
    char cc[] = new char[tt];
    for (int j = 0; j < tt; j++) {
        ss = "0" + Integer.toHexString(bb[i * c + j]);
        result.append(ss.substring(ss.length() - 2) + ",");
        cc[j] = (char) bb[i * c + j];
    for (int k = 0; k < c - tt; k++) {
        result.append("--,");
    result.append("\t:");
    result.append(cc);
    result.append("\n");
return result.toString();

StringBuilder sb = new StringBuilder(a.length * 2);
for (byte b : a)
    sb.append(String.format("%x", b & 0xff));
return sb.toString();

for (int i = 0; i < b.length; ++i) {
    if (i % 16 == 0)
        System.err.println("");
    String hex = "0" + Integer.toHexString(b[i]);
    hex = hex.substring(hex.length() - 2);
    System.err.print(hex + " ");
System.err.println("\n");
...

if (buffer == null) {
    return "";
StringBuilder sb = new StringBuilder(2 + buffer.length * 2);
for (byte b : buffer) {
    sb.append("0x").append((char) (HEX_CHAR[(b & 0x00F0) >> 4])).append((char) (HEX_CHAR[b & 0x000F]))
            .append(" ");
return sb.toString();

return dumpBytes(buffer, 0, buffer.length);

int size = bytes.length;
StringBuffer sb = new StringBuffer(size * 2);
String s;
for (int i = 0; i < size; ++i) {
    s = Integer.toHexString(bytes[i]);
    if (s.length() == 8) { 
        sb.append(s.substring(6));
    } else if (s.length() == 2) { 
...

char[] hexChars = new char[bytes.length * 2];
for (int i = 0; i < bytes.length; i++) {
    int val = bytes[i] & 0xFF;
    hexChars[i * 2] = hexArray[val >>> 4];
    hexChars[i * 2 + 1] = hexArray[val & 0x0F];
return new String(hexChars);

StringBuffer sb = new StringBuffer();
for (int i = 0; i < bytes.length; i++) {
    int unsignedInt = 0xFF & bytes[i];
    if (unsignedInt < 0x10) {
        sb.append("0");
    sb.append(Integer.toHexString(unsignedInt));
return sb.toString();

for (int i = 0, max = Math.min(maxLen, bytes.length); i < max; i++) {
    System.err.print(" ");
    System.err.print(Integer.toHexString(bytes[i] & 0xff));
System.err.println();

StringBuilder sb = new StringBuilder();
if (length >= 0) {
    for (int i = start; i < Math.min(bytes.length, start + length); i++) {
        if (i > start)
            sb.append(' ');
        sb.append(toHexString(bytes[i]));
return sb.toString();