Java Examples - Traversing Directory

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Problem Description:

How to traverse a directory?

Solution:

Following example demonstratres how to traverse a directory with the help of dir.isDirectory() and dir.list() methods of File class.

import java.io.File;

public class Main {
   public static void main(String[] argv) 
   throws Exception {
      System.out.println("The Directory is traversed.");
      visitAllDirsAndFiles(C://Java);
   }
   public static void visitAllDirsAndFiles(File dir) {
      System.out.println(dir);
      if (dir.isDirectory()) {
         String[] children = dir.list();
         for (int i = 0; i < children.length; i++) {
            visitAllDirsAndFiles
            (new File(dir, children[i]));
         }
      }
   }
}       

Result:

The above code sample will produce the following result.

The Directory is traversed.


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