Here you can find the source of listFile(File dir)
public static String[] listFile(File dir)
//package com.java2s; /*/*from w w w. j a va 2s .c o m*/ * Copyright 2006-2008 the original author or authors. * * 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; public class Main { public static String[] listFile(File dir) { String absolutPath = dir.getAbsolutePath(); String[] paths = dir.list(); String[] files = new String[paths.length]; for (int i = 0; i < paths.length; i++) { files[i] = absolutPath + "/" + paths[i]; } return files; } }