FileFilter (Java SE 13 & JDK 13 )
Description: declaration: module: java.base, package: java.io, interface: FileFilter
Keywords: java.io.FileFilter interface

Module java.base
Package 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

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

- ## Method Details

  - ### 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