Method numberOfFiles

java/Chapter 8/Question8_9/Directory.java:25–37

()

	}
	
	public int numberOfFiles() {
		int count = 0;
		for (Entry e : contents) {
			if (e instanceof Directory) {
				count++; // Directory counts as a file
				Directory d = (Directory) e;
				count += d.numberOfFiles();
			} else if (e instanceof File) {
				count++;
			}
		}
		return count;
	}
	
	public boolean deleteEntry(Entry entry) {
		return contents.remove(entry);