- host
- the hostName to be resolved to an address or null.
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Type Reason Java.Net.UnknownHostException if the address lookup fails.
Returns the address of a host according to the given host string name host. The host string may be either a machine name or a dotted string IP address. If the latter, the hostName field is determined upon demand. host can be null which means that an address of the loopback interface is returned.