Here you can find the source of isEmptyDir(Path path)
public static boolean isEmptyDir(Path path) throws IOException
//package com.java2s; /*//from ww w.ja va 2 s. c o m * (C) Copyright 2016 Kurento (http://kurento.org/) * * 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.IOException; import java.nio.file.DirectoryStream; import java.nio.file.Files; import java.nio.file.Path; import java.util.Iterator; public class Main { public static boolean isEmptyDir(Path path) throws IOException { try (DirectoryStream<Path> ds = Files.newDirectoryStream(path)) { Iterator<Path> files = ds.iterator(); return !files.hasNext(); } } }