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13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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25 
26 package java.io;
27 
28 /**
29  * Instances of classes that implement this interface are used to
30  * filter filenames. These instances are used to filter directory
31  * listings in the <code>list</code> method of class
32  * <code>File</code>, and by the Abstract Window Toolkit's file
33  * dialog component.
34  *
35  * @author  Arthur van Hoff
36  * @author  Jonathan Payne
37  * @see     java.awt.FileDialog#setFilenameFilter(java.io.FilenameFilter)
38  * @see     java.io.File
39  * @see     java.io.File#list(java.io.FilenameFilter)
40  * @since   JDK1.0
41  */
42 @FunctionalInterface
43 public interface FilenameFilter {
44     /**
45      * Tests if a specified file should be included in a file list.
46      *
47      * @param   dir    the directory in which the file was found.
48      * @param   name   the name of the file.
49      * @return  <code>true</code> if and only if the name should be
50      * included in the file list; <code>false</code> otherwise.
51      */
accept(File dir, String name)52     boolean accept(File dir, String name);
53 }
54