public static String toHexString(byte[] array) {
return DatatypeConverter.printHexBinary(array);
}
public static byte[] toByteArray(String s) {
return DatatypeConverter.parseHexBinary(s);
}
public static byte[] concat(List<byte[]> bytesList) {
byte[] result = {};
for (byte[] b : bytesList) {
result = Bytes.concat(result, b);
}
return result;
}
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