FileSystemAlreadyExistsException (Java SE 9 & JDK 9 )

java.lang.Object
- java.lang.Throwable
- - java.lang.Exception
  - - java.lang.RuntimeException
    - - java.nio.file.FileSystemAlreadyExistsException

All Implemented Interfaces:

Serializable
```
public class FileSystemAlreadyExistsException
extends RuntimeException
```
Runtime exception thrown when an attempt is made to create a file system that already exists.

Since:

1.7

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor	Description
`FileSystemAlreadyExistsException()`	Constructs an instance of this class.
`FileSystemAlreadyExistsException(String msg)`	Constructs an instance of this class.

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
  - FileSystemAlreadyExistsException
```
public FileSystemAlreadyExistsException()
```
    Constructs an instance of this class.
  - FileSystemAlreadyExistsException
```
public FileSystemAlreadyExistsException(String msg)
```
    Constructs an instance of this class.
    
    Parameters:
    
    msg - the detail message