摘要: 1,统计文件夹的文件总数 代码: package Class_fifth; import java.io.File; public class Statistics { public static void main(String[] args) { File file = new File("C: 阅读全文
posted @ 2018-11-20 19:36 余鱼瑜渔 阅读(201) 评论(0) 推荐(0)