System.arraycopy(methodBytes, IoTRMIUtil.OBJECT_ID_LEN, methodIdBytes, 0, IoTRMIUtil.METHOD_ID_LEN);
// Get method Id
int methodId = IoTRMIUtil.byteArrayToInt(methodIdBytes);
System.arraycopy(methodBytes, IoTRMIUtil.OBJECT_ID_LEN, methodIdBytes, 0, IoTRMIUtil.METHOD_ID_LEN);
// Get method Id
int methodId = IoTRMIUtil.byteArrayToInt(methodIdBytes);