摘要：
import java.io.*; public class FileList{ void tree(File file , int level){ String str = ""; for(int i=0;i<level;i++){ str += " "; } File[] list = file 阅读全文
posted @ 2020-03-01 19:59
yxfyg
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摘要：
import java.io.*; public class CreateFile{ public static void main(String[] args){ String[] str = new String[6]; str[0] = "D:/A/B/E"; str[1] = "D:/A/B 阅读全文
posted @ 2020-03-01 10:44
yxfyg
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