package sousuo;
import java.*;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
import java.util.stream.Stream;

public class FileListGenerator {
    public void start() {
        File file = new File("C:\\Users\\pc\\Desktop\\待测文件夹");
        search(file);
    }
    public void search(File file) {
        if (file.isDirectory()) {
            File[] listFiles = file.listFiles();
            for (File f : listFiles) {
                search(f);
            }
        }
        if (file.getName().endsWith(".ppt")) {
            System.out.println(file);
        }
    }
    public static void main(String []args){
        //Scanner a=new Scanner(System.in);
        FileListGenerator me=new FileListGenerator();
        me.start();       
    }
}