compact1, compact2, compact3
java.io

## Interface FileFilter

- Functional Interface:
    This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

      @FunctionalInterface
      public interface FileFilter

  A filter for abstract pathnames.

  Instances of this interface may be passed to the ``listFiles(FileFilter)`` method of the ``File`` class.

  Since:
    1.2

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `boolean` | `accept(File pathname)` Tests whether or not the specified abstract pathname should be included in a pathname list.

- - ### Method Detail

    - #### accept

          boolean accept(File pathname)

      Tests whether or not the specified abstract pathname should be included in a pathname list.
      Parameters:
        `pathname` - The abstract pathname to be tested
      Returns:
        `true` if and only if `pathname` should be included

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