Here you can find the source of getAllFilesForType(File dir, FilenameFilter filter)
private static File[] getAllFilesForType(File dir, FilenameFilter filter)
//package com.java2s; //License from project: Open Source License import java.io.File; import java.io.FilenameFilter; public class Main { private static File[] getAllFilesForType(File dir, FilenameFilter filter) { return dir.listFiles(filter); }//from ww w . j a va 2 s .c o m }