public final class SocketUtil
extends Object

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static String`	`format(String hostname, int port)`	Format an address string into `host:port` or `*:port` syntax.
`static String`	`format(SocketAddress s, int defaultPort)`	Format an address string into `host:port` or `*:port` syntax.
`static String`	`hostname(InetSocketAddress addr)`	Get the name or IP address, or `*` if this address is a wildcard IP.
`static boolean`	`isIPv6(InetAddress ip)`	True if this InetAddress is a raw IPv6 in dotted quad notation.
`static InetSocketAddress`	`parse(String desc, int defaultPort)`	Parse an address string such as `host:port` or `*:port`.
`static InetSocketAddress`	`resolve(String desc, int defaultPort)`	Parse and resolve an address string, looking up the IP address.

isIPv6
```
public static boolean isIPv6(InetAddress ip)
```
True if this InetAddress is a raw IPv6 in dotted quad notation.

hostname
```
public static String hostname(InetSocketAddress addr)
```
Get the name or IP address, or * if this address is a wildcard IP.

public static String format(SocketAddress s,
                            int defaultPort)

Format an address string into host:port or *:port syntax.

public static String format(String hostname,
                            int port)

Format an address string into host:port or *:port syntax.

public static InetSocketAddress parse(String desc,
                                      int defaultPort)

Parse an address string such as host:port or *:port.

public static InetSocketAddress resolve(String desc,
                                        int defaultPort)

Parse and resolve an address string, looking up the IP address.

Class SocketUtil