检查文件或目录的存在性

import java.nio.file.FileSystems;//时 代 J a v a 公 众 号

import java.nio.file.Files;

import java.nio.file.LinkOption;

import java.nio.file.Path;


public class Main {

  public static void main(String[] args) {

    Path path = FileSystems.getDefault().getPath(

        "C:/folder1/folder2/folder4", "test2.txt");

    boolean path_exists = Files.exists(path,

        new LinkOption[] { LinkOption.NOFOLLOW_LINKS });


  }

}