java递归所有目录

package io.test;

import java.io.File;

/**
 *递归遍历所有的目录
 */
public class DirAll {
    public static void main(String[] args) {
        System.out.println("======");
        File f = new File("./");
        getAllDirectory(f);
    }
    public static void getAllDirectory(File f){
        File[] files = f.listFiles();
        if (files!=null){
            for (File file:files){
                if (file.isDirectory()){
                    getAllDirectory(file);
                }else{
                    System.out.println(file.getAbsolutePath());
                }
            }
        }
    }
}