二叉树(四)

package cn.jbit.nodetree.test;import java.io.File;public class Test3 {    public static void main(String[] args) {        File f = new File("d:\\a1");        search(f);    }    /**     * 查找     */    public static void search(File f){        File[] files = f.listFiles();        for (int i = 0; i < files.length; i++) {            if(files[i].isDirectory() ){                System.out.println(files[i].getName());                search(files[i]);  //递归调用            }        }    }}