UnknownHostException (Java SE 11 & JDK 11 )
Keywords: java.net.UnknownHostException class

Module java.base
Package java.net

## 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 java.lang.Throwable

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

    - ### Methods declared in class java.lang.Object

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

- - ### Constructor Detail

    - #### 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.