java--递归删除目录

package com.test;

import java.io.File;
import java.util.Scanner;

import com.DIGUI;

public class test_4 {

public static void main(String[] args) {
	// TODO Auto-generated method stub
	File dir =getDir();
	deleteFile(dir);
}
public static void deleteFile(File dir) {
	File[] subFiles  =dir.listFiles();
	for (File subFile : subFiles) {
		if(subFile.isFile()) {
			subFile.delete();
		}else {
			deleteFile(subFile);
		}
	}
	dir.delete();
}
public static File getDir() {
	Scanner sc =new Scanner(System.in); 
	while(true) {
		String line = sc.nextLine();
		File dir =new File(line);
		if(!dir.exists()) {
			System.out.println("路基不存在");
		}else if(dir.isFile()) {
			System.out.println("是文件");
		}else {
			return dir;
		}
	}
}

}