Count files in a directory (including files in all subdirectories) : File Utilities « File « Java Tutorial

1. Java Tutorial
2. File
3. File Utilities

import java.io.File;
import java.io.IOException;

public class Utils {

  /**
   * Count files in a directory (including files in all subdirectories)
   * @param directory the directory to start in
   * @return the total number of files
   */
  public static int countFilesInDirectory(File directory) {
      int count = 0;
      for (File file : directory.listFiles()) {
          if (file.isFile()) {
              count++;
          }
          if (file.isDirectory()) {
              count += countFilesInDirectory(file);
          }
      }
      return count;
  }

}