[Chapter 12] UnknownError
Author: Mark Grand and Jonathan Knudsen
Date: Fri Aug 8 17:07:35 1997

#

| Chapter 12 The java.lang Package |

# UnknownError

## Name

UnknownError

## Synopsis

Class Name:

  `java.lang.UnknownError`

Superclass:

  `java.lang.VirtualMachineError`

Immediate Subclasses:

  None

Interfaces Implemented:

  None

Availability:

  JDK 1.0 or later

## Description

An `UnknownError` is thrown when an error of unknown origins is detected in the run-time system.

## Class Summary

    public class java.lang.UnknownError
                 extends java.lang.VirtualMachineError {
      // Constructors
      public UnknownError();
      public UnknownError(String s);
    }

## Constructors

### UnknownError

#### public UnknownError()

Description

  This constructor creates an `UnknownError` with no associated detail message.

#### public UnknownError(String s)

Parameters

  `s`

    The detail message.

Description

  This constructor creates an `UnknownError` with the specified detail message.

## 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()` | `Object`
`wait()` | `Object` | `wait(long)` | `Object`
`wait(long, int)` | `Object` |  |

## See Also

`Error`, `Throwable`, `VirtualMachineError`

Throwable |  | UnsatisfiedLinkError