学习笔记 - java递归删除一个文件夹及里面的所有文件

public class FileTest {public static void main(String[] args) {// TODO Auto-generated method stub//删除一个目录new FileTest().deleDir("D:\\4.源代码");}public void deleDir(String filePath){String filePathNew = filePath + "\\";File file = new File(filePathNew);if(file.isDirectory()){File[] filelist = file.listFiles();for(File f: filelist)deleDir(filePathNew + f.getName());file.delete();}elsefile.delete();}}

删除一个目录及里面所有文件，用了递归