Here you can find the source of deleteFiles(String fileName)
public static void deleteFiles(String fileName)
//package com.java2s; import java.io.File; public class Main { public static void deleteFiles(String fileName) { File oldPath = new File(fileName); if (oldPath.isDirectory()) { File[] files = oldPath.listFiles(); for (File file : files) { file.delete();/*from w w w.ja v a 2 s . c o m*/ } } else { oldPath.delete(); } } }