递归实现文件删除java

import java.io.File;

/**
* 递归实现删除指定目标文件
* @author Administrator
*
*/
public class TestIO6 {

public void deleteAll(File f){

if(f.isFile()||f.listFiles().length==0){

f.delete();
}else{
File[] f2 = f.listFiles();
for(File fs:f2){
deleteAll(fs);
fs.delete();
}
}
}

public static
void main(String[] args) {

File f = new File("c:/abc");

TestIO6 t = new TestIO6();

t.deleteAll(f);

}
}