public abstract class NetworkUtils extends Object
Modifier and Type | Field and Description |
---|---|
static String |
INVALID_NO_EPHEMERAL_PORT_MESSAGE |
static String |
INVALID_PORT_MESSAGE |
Constructor and Description |
---|
NetworkUtils() |
Modifier and Type | Method and Description |
---|---|
static boolean |
isValidNonEphemeralPort(int port) |
static boolean |
isValidPort(int port)
Determines whether the given
port is valid. |
public static final String INVALID_PORT_MESSAGE
public static final String INVALID_NO_EPHEMERAL_PORT_MESSAGE
public static boolean isValidPort(int port)
port
is valid.
Technically, port 0 is valid too but no client would use port 0 (the ephemeral port) to connect to a service.port
- port to evaluate.port
is valid or not.public static boolean isValidNonEphemeralPort(int port)
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