在a.txt同目录下创建一个b.txt

File file 1 = new File("d:\\a\\a.txt");

File file 2 = new File (file1.getParent(),"b.txt");

posted @ 2022-02-28 01:39  亚托克斯的泯灭  阅读(61)  评论(0)    收藏  举报