android studio 服務端java 文件遍歷輸出顯示

package FileList;

import java.io.File;
import java.io.FileNotFoundException;
import java.util.ArrayList;

public class ShowFileName {

	private static ArrayList<String> filelist = new ArrayList<String>();
	private static int AllFileNUM=0;
	private static int AllDirectoryNUM=0;
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		System.out.println("顯示文件名");
		String path = "G:\\BaiduNetdiskDownload\\32g 優盤歌曲";		//要遍歷的路徑
		File file = new File(path);		//獲取其file對象
		func(file);
		System.out.println("***********************************");
		System.out.println("總文件夾數量："+AllFileNUM);
		System.out.println("總文件數量："+AllDirectoryNUM);
		
	}

	private static void func(File file){
		File[] fs = file.listFiles();
		int FileNUM=0;
		int DirectoryNUM=0;
		for(File f:fs){
			if(f.isDirectory())	//若是目錄，則遞歸打印該目錄下的文件
				{
				DirectoryNUM++;
				func(f);
				System.out.println("目錄:"+f.toString());
				}
			if(f.isFile())		//若是文件，直接打印
				{
				System.out.println("文件:"+f.toString());
				FileNUM++;
				}
		}
		System.out.println("========================================");
		System.out.println("文件夾數量："+DirectoryNUM);
		System.out.println("文件數量："+FileNUM);
		AllFileNUM=AllFileNUM+FileNUM;
		AllDirectoryNUM=AllDirectoryNUM+DirectoryNUM;

	}
	
}