Program to Traversing Directory

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])); 
         } 
      } 
   }
}       

Output:

The Directory is traversed.