File Filter 

The following example shows how to filter the contents of a given directory using FileFilter. Here we filter out the text files from the given directory.

File Name  :   com/bethecoder/tutorials/io/FileFilterTest.java  Author  :   Sudhakar KV Email  :   [email protected]

package com.bethecoder.tutorials.io; import java.io.File; import java.io.FileFilter; public class FileFilterTest {   /**    * @param args    */   public static void main(String[] args) {     File directory = new File("C:\\NEW");     File [] filesInDir = directory.listFiles(new TextFileFilter());          System.out.println("Directory file listing of " + directory);     for (int i = 0 ; i < filesInDir.length ; i ++) {       System.out.println(filesInDir[i]);     }   } } class TextFileFilter implements FileFilter {   @Override   public boolean accept(File file) {          if (file.getName().toLowerCase().endsWith(".txt")) {       return true;     }          return false;   } }

Directory file listing of C:\NEW
C:\NEW\file_ops.txt
C:\NEW\Oracle Identity Manager.txt
C:\NEW\readonly_file.txt
C:\NEW\test.txt