java 遍历文件夹内大文件数据

import java.io.File;
import java.io.FilenameFilter;
import java.util.*;

import java.util.Enumeration;

public class Test
{
  public static void main(String[] args) {
    File file = new File("E:/test/test2/");
    String[] filelist = file.list(new DirFilter());
  }
    
    

}

class DirFilter implements FilenameFilter{
    int i= 0;

  public boolean accept(File fl,String path){
    System.out.println(fl+"\\"+path);
    return false;
  }
}