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package java.io;



A filter for abstract pathnames.

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

Since:1.2
/**
 * A filter for abstract pathnames.
 *
 * <p> Instances of this interface may be passed to the <code>{@link
 * File#listFiles(java.io.FileFilter) listFiles(FileFilter)}</code> method
 * of the <code>{@link java.io.File}</code> class.
 *
 * @since 1.2
 */
@FunctionalInterface
public interface FileFilter {

    
Tests whether or not the specified abstract pathname should be
included in a pathname list.

Params:
  • pathname –  The abstract pathname to be tested
Returns: true if and only if pathname
         should be included
/**
     * Tests whether or not the specified abstract pathname should be
     * included in a pathname list.
     *
     * @param  pathname  The abstract pathname to be tested
     * @return  <code>true</code> if and only if <code>pathname</code>
     *          should be included
     */
    boolean accept(File pathname);
}