Classes dentro de um pacote

public static void main(String[] args) throws ClassNotFoundException, IOException {
		for(Class<?> c: getClasses("br.netsoft.beans")){
			System.out.println(c);
		}
	}

	public static List<Class<?>> getClasses(String packageName)
	throws ClassNotFoundException, IOException {
		ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
		
		List<Class<?>> classes  = null;
		if (classLoader != null){
			String path = packageName.replace('.', '/');
			Enumeration<URL> resources = classLoader.getResources(path);
			List<File> dirs = new ArrayList<File>();
			while (resources.hasMoreElements()) {
				URL resource = resources.nextElement();
				dirs.add(new File(URLDecoder.decode(resource.getPath(),"utf-8")));
			}
			classes = new ArrayList<Class<?>>();
			for (File directory : dirs) {
				classes.addAll(findClasses(directory, packageName));
			}
		}
		return classes;
	}

	private static List<Class<?>> findClasses(File directory, String packageName) throws ClassNotFoundException {
		List<Class<?>> classes = new ArrayList<Class<?>>();
		if (!directory.exists()) {
			return classes;
		}
		File[] files = directory.listFiles();
		for (File file : files) {
			if (file.isDirectory()) {
				assert !file.getName().contains(".");
				classes.addAll(findClasses(file, packageName + "." + file.getName()));
			} else if (file.getName().endsWith(".class")) {
				classes.add(Class.forName(packageName + '.' + file.getName().substring(0, file.getName().length() - 6)));
			}
		}
		return classes;
	}