摘要:
---------------------- android培训、java培训、期待与您交流! ----------------------File类构造方法摘要:File(File parent,String child)File(String pathname)File(String parent,String child) 1 import java.io.*; 2 class FileDemo 3 { 4 public static void main(String[] args) 5 { 6 File f1=new File("a.txt"); 7... 阅读全文