Here you can find the source of deleteFiles(String directoryName)
public static void deleteFiles(String directoryName)
//package com.java2s; /*/*from w w w . j ava 2 s .c o m*/ * Copyright (c) 2016 Vivid Solutions. * * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * and Eclipse Distribution License v. 1.0 which accompanies this distribution. * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html * and the Eclipse Distribution License is available at * * http://www.eclipse.org/org/documents/edl-v10.php. */ import java.io.*; public class Main { /** * Deletes the files in the directory, but does not remove the directory. */ public static void deleteFiles(String directoryName) { File dir = new File(directoryName); File[] files = dir.listFiles(); for (int i = 0; i < files.length; i++) { files[i].delete(); } } }