# Class UnknownHostException

java.lang.Object
java.lang.Throwable
java.lang.Exception
java.io.IOException
java.net.UnknownHostException

All Implemented Interfaces:
  `Serializable`

public class UnknownHostException extends IOException
Thrown to indicate that the IP address of a host could not be determined.

Since:
  1.0
See Also:
  - Serialized Form

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `UnknownHostException()`
  Constructs a new `UnknownHostException` with no detail message.
  `UnknownHostException(String message)`
  Constructs a new `UnknownHostException` with the specified detail message.

- ## Method Summary

  ### Methods declared in class Throwable

  `addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString`

  ### Methods declared in class Object

  `clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

- ## Constructor Details

  - ### UnknownHostException

    public UnknownHostException(String message)
    Constructs a new `UnknownHostException` with the specified detail message.
    Parameters:
      `message` - the detail message.

  - ### UnknownHostException

    public UnknownHostException()
    Constructs a new `UnknownHostException` with no detail message.