UnknownError (Java SE 9 & JDK 9 )

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Module java.base

Package java.lang

Class UnknownError

java.lang.Object
- java.lang.Throwable
- - java.lang.Error
  - - java.lang.VirtualMachineError
    - - java.lang.UnknownError

All Implemented Interfaces:

Serializable
```
public class UnknownError
extends VirtualMachineError 
```
Thrown when an unknown but serious exception has occurred in the Java Virtual Machine.

Since:

1.0

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor	Description
`UnknownError ()`	Constructs an `UnknownError` with no detail message.
`UnknownError (String s)`	Constructs an `UnknownError` with the specified detail message.

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

- Constructor Detail
  - UnknownError
```
public UnknownError()
```
    Constructs an UnknownError with no detail message.
  - UnknownError
```
public UnknownError(String s)
```
    Constructs an UnknownError with the specified detail message.
    
    Parameters:
    
    s - the detail message.

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