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Java Example - Print Directory Structure

黄舟
Release: 2017-02-13 10:18:58
Original
1512 people have browsed it

以下实例演示了使用 File 类的 file.getName() 和 file.listFiles() 方法来打印目录结构:

/*
 author by w3cschool.cc
 FileUtil.java
 */import java.io.File;import java.io.IOException;public class FileUtil {
   public static void main(String[] a)throws IOException{
      showDir(1, new File("d:\\Java"));
   }
   static void showDir(int indent, File file) 
   throws IOException {
      for (int i = 0; i < indent; i++)
         System.out.print(&#39;-&#39;);
      System.out.println(file.getName());
      if (file.isDirectory()) {
         File[] files = file.listFiles();
         for (int i = 0; i < files.length; i++)
            showDir(indent + 4, files[i]);
      }
   }}
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以上代码运行输出结果为:

-Java
-----codes
---------string.txt
---------array.txt
-----w3cschoolcc
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