Module java.base
Package java.io

Interface FilenameFilter

  • 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 FilenameFilter
    Instances of classes that implement this interface are used to filter filenames. These instances are used to filter directory listings in the list method of class File, and by the Abstract Window Toolkit's file dialog component.
    Since:
    1.0
    See Also:
    FileDialog.setFilenameFilter(java.io.FilenameFilter), File, File.list(java.io.FilenameFilter)

    • Method Detail

      • accept

        boolean accept​(File dir,
               String name)
        Tests if a specified file should be included in a file list.
        Parameters:
        dir - the directory in which the file was found.
        name - the name of the file.
        Returns:
        true if and only if the name should be included in the file list; false otherwise.