Here you can find the source of getAllFilesByExtension(String path, String extension)
public static List<File> getAllFilesByExtension(String path, String extension)
//package com.java2s; /*// w w w . j av a 2s .co m * Copyright 2016-2018 University of South Florida * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.io.File; import java.util.ArrayList; import java.util.List; public class Main { public static List<File> getAllFilesByExtension(String path, String extension) { List<File> files = new ArrayList<File>(); final File folder = new File(path); for (final File fileEntry : folder.listFiles()) { if (!fileEntry.isDirectory() && fileEntry.getName().endsWith(extension)) { files.add(fileEntry); } } return files; } }