home | O'Reilly's CD bookshelfs | FreeBSD | Linux | Cisco | Cisco Exam    

Java Fundamental Classes Reference

Previous Chapter 15
The java.net Package
Next
 

UnknownHostException

Name

UnknownHostException

Synopsis

Class Name:

java.net.UnknownHostException

Superclass:

java.io.IOException

Immediate Subclasses:

None

Interfaces Implemented:

None

Availability:

JDK 1.0 or later

Description

A UnknownHostException is thrown when a hostname cannot be resolved to an IP address.

Class Summary

public class java.net.UnknownHostException extends java.io.IOException {
  // Constructors
  public UnknownHostException();
  public UnknownHostException(String host);
}

Constructors

UnknownHostException

public UnknownHostException()

Description

This constructor creates an UnknownHostException with no associated detail message.

public UnknownHostException(String host)

Parameters

host

The detail message.

Description

This constructor creates an UnknownHostException with the specified detail message, which should be the hostname that cannot be resolved.

Inherited Methods

Method Inherited From Method Inherited From

clone()

Object

equals(Object)

Object

fillInStackTrace()

Throwable

finalize()

Object

getClass()

Object

getLocalizedMessage()

Throwable

getMessage()

Throwable

hashCode()

Object

notify()

Object

notifyAll()

Object

printStackTrace()

Throwable

printStackTrace(PrintStream)

Throwable

printStackTrace(PrintWriter)

Throwable

toString()

Throwable

wait()

Object

wait(long)

Object

wait(long, int)

Object

   

See Also

Exception, IOException, RuntimeException


Previous Home Next
URLStreamHandlerFactory Book Index UnknownServiceException

Java in a Nutshell Java Language Reference Java AWT Java Fundamental Classes Exploring Java










??????????????@Mail.ru