| Package | Description | 
|---|---|
| java.nio.channels | Defines channels, which represent connections to entities that are capable of
 performing I/O operations, such as files and sockets; defines selectors, for
 multiplexed, non-blocking I/O operations. | 
| java.rmi.server | Provides classes and interfaces for supporting the server
side of RMI. | 
| javax.net | Provides classes for networking applications. | 
| javax.net.ssl | Provides classes for the secure socket package. | 
| javax.rmi.ssl | Provides implementations of  RMIClientSocketFactoryandRMIServerSocketFactoryover 
the Secure Sockets Layer (SSL) or Transport Layer Security (TLS) protocols. | 
| Modifier and Type | Method and Description | 
|---|---|
| abstract ServerSocket | ServerSocketChannel. socket()Retrieves a server socket associated with this channel. | 
| Modifier and Type | Method and Description | 
|---|---|
| ServerSocket | RMIServerSocketFactory. createServerSocket(int port)Create a server socket on the specified port (port 0 indicates
 an anonymous port). | 
| abstract ServerSocket | RMISocketFactory. createServerSocket(int port)Create a server socket on the specified port (port 0 indicates
 an anonymous port). | 
| Modifier and Type | Method and Description | 
|---|---|
| ServerSocket | ServerSocketFactory. createServerSocket()Returns an unbound server socket. | 
| abstract ServerSocket | ServerSocketFactory. createServerSocket(int port)Returns a server socket bound to the specified port. | 
| abstract ServerSocket | ServerSocketFactory. createServerSocket(int port,
                  int backlog)Returns a server socket bound to the specified port, and uses the
 specified connection backlog. | 
| abstract ServerSocket | ServerSocketFactory. createServerSocket(int port,
                  int backlog,
                  InetAddress ifAddress)Returns a server socket bound to the specified port,
 with a specified listen backlog and local IP. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | SSLServerSocketThis class extends  ServerSockets and
 provides secure server sockets using protocols such as the Secure
 Sockets Layer (SSL) or Transport Layer Security (TLS) protocols. | 
| Modifier and Type | Method and Description | 
|---|---|
| ServerSocket | SslRMIServerSocketFactory. createServerSocket(int port)Creates a server socket that accepts SSL connections
 configured according to this factory's SSL socket configuration
 parameters. | 
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