I don't see any error on your code, everything is well written and simple. Except trying putting PUBLIC on your Class displayer. If you encounter the same problem again try to rebuild your whole code and try to recompile the whole code. Even try restarting your personal computer.
Answer:
Explanation:
Router. A router is a networking device typically used to interconnect LANs to form a wide area network (WAN) and as such is referred to as a WAN device. IP routers use IP addresses to determine where to forward packets. An IP address is a numeric label assigned to each connected network device.
Fям:- 
I've included my code in the picture below. Best of luck.
Answer:
True
Explanation:
The domain controller is a server that responds within windows server domains to request for security authentication. It enforces security for windows and they are useful for storing the account information of users, that is local users within a Security Account Manager. Therefore the answer to this question is true.
Thank you!
Answer:
D.netiquette
hope it is helpful to you
