06 2019 档案

实训作业lO流
摘要：package Suchas; import java.io.*; public class FileIO { public FileIO(String str) { File f = new File("data.txt"); try { File file = new File("dat... 阅读全文
posted @ 2019-06-16 15:36 尹天仇， 阅读(162) 评论(0) 推荐(0) 编辑