UnknownHostException

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:

JDK1.0

See Also:

Serialized Form

Constructor Summary

Constructors

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

Method Summary
- Methods inherited from class java.lang.Throwable
  addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - UnknownHostException
```
public UnknownHostException(String host)
```
    Constructs a new UnknownHostException with the specified detail message.
    
    Parameters:
    
    host - the detail message.
  - UnknownHostException
```
public UnknownHostException()
```
    Constructs a new UnknownHostException with no detail message.