高级语言是面向用户的

 1 package Com.TableTest;
 2 import java.io.File;
 3 
 4 
 5 public class TableText_27 {
 6    public static void main(String args[]) {
 7        String dirname = "H://";
 8        File f1 = new File(dirname);
 9        if (f1.isDirectory()) {
10            System.out.println("Directory of " + dirname);
11            String s[] = f1.list();
12            for (int i = 0; i < s.length; i++) {
13                File f = new File(dirname + "/" + s[i]);
14                if (f.isDirectory()) {
15                    System.out.println(s[i] + " is a directory");
16                } else {
17                    System.out.println(s[i] + " is a file");
18                }
19            }
20        } else {
21            System.out.println(dirname + " is not a directory");
22        }
23    }
24 }