public Arp() {
payload = null;
- hdrFieldsMap = new HashMap<String, byte[]>(ARP_FIELDS_COUNT);
+ hdrFieldsMap = new HashMap<>(ARP_FIELDS_COUNT);
setHardwareLength((short) 6); // MAC address length
setProtocolLength((short) 4); // IPv4 address length
setHardwareType(ETHERNET_HW_TYPE);