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## java.io
Class FileNotFoundException

    java.lang.Object
      java.lang.Throwable
          java.lang.Exception
              java.io.IOException
                  java.io.FileNotFoundException

All Implemented Interfaces:
  Serializable

    public class FileNotFoundException

extends IOException

Signals that an attempt to open the file denoted by a specified pathname has failed.

This exception will be thrown by the `FileInputStream`, `FileOutputStream`, and `RandomAccessFile` constructors when a file with the specified pathname does not exist. It will also be thrown by these constructors if the file does exist but for some reason is inaccessible, for example when an attempt is made to open a read-only file for writing.

Since:
  JDK1.0
See Also:
  Serialized Form

Constructor Summary
`FileNotFoundException()` Constructs a `FileNotFoundException` with `null` as its error detail message.
`FileNotFoundException(String s)` Constructs a `FileNotFoundException` with the specified detail message.

Method Summary

Methods inherited from class java.lang.Throwable
`fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, 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

### FileNotFoundException

    public FileNotFoundException()

  Constructs a `FileNotFoundException` with `null` as its error detail message.

### FileNotFoundException

    public FileNotFoundException(String s)

  Constructs a `FileNotFoundException` with the specified detail message. The string `s` can be retrieved later by the ``Throwable.getMessage()`` method of class `java.lang.Throwable`.

  Parameters:
    `s` - the detail message.

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For further API reference and developer documentation, see Java SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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