Java Utililty Methods Byte Array Dump

for (int i = 0; i < rec.length; i++) {
    String s = String.format("%02x", (0xFF & rec[i]));
    System.out.print("0x" + s + " ");
    if (((i + 1) % 16) == 0)
        System.out.println();
System.out.println();

if (str == null)
    return null;
StringBuilder data = new StringBuilder();
for (byte b : str) {
    String hex = Integer.toHexString((int) b);
    data.append(hex); 
return data.toString();
...

return dumpArray(b, 0, b.length);

StringBuilder sb = new StringBuilder("byte[" + b.length + "]={");
for (int i = 0; i < b.length; i++) {
    if (i > 0)
        sb.append(",");
    sb.append("0x");
    if ((b[i] & 0xF0) == 0)
        sb.append("0");
    sb.append(Integer.toHexString(b[i] & 0xFF).toUpperCase());
...

StringBuilder sb = new StringBuilder();
boolean lastOneIsR = false;
for (byte b : buffer) {
    if (b >= 32 && b <= 126)
        sb.append(new String(new byte[] { b }));
    else if (b == 10) {
        sb.append("\\n");
        if (lastOneIsR) {
...

for (int i = 0; i < ab.length; i++) {
    System.out.print(" " + ab[i]);
System.out.println("");

StringBuilder sb = new StringBuilder();
sb.append("<byteArray len = ");
sb.append(b.length);
sb.append(" data = \"");
for (int i = 0; i < b.length; i++) {
    sb.append(b[i]).append(",");
sb.append("\"/>");
...

StringBuffer sb = new StringBuffer();
sb.append("{ ");
int len = buffer.length;
for (int i = 0; i < len; i++) {
    if (i > 0)
        sb.append(", ");
    sb.append(buffer[i] & 0xff);
sb.append(" }");
return sb.toString();

int count = 0;
StringBuilder stringBuilder = new StringBuilder();
for (byte aByte : bytes) {
    String hex = Integer.toHexString(aByte & 255);
    if (hex.length() == 1) {
        hex = "0" + hex;
    stringBuilder.append(hex).append(" ");
...

StringBuilder buf = new StringBuilder("");
for (int i = 0; i < arr.length; i++) {
    buf.append(arr[i]);
    if (i != (arr.length - 1)) {
        buf.append(" ");
return buf.toString();
...