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();
}else
file.delete();

}
}