Magento 2 – Fix Custom Module Frontend Error

I'm using Magento 2 CE Version 2.1.0

I'm following http://www.mage-world.com/blog/how-to-create-a-simple-module-in-magento-2-0.html

I have followed steps when i run it gives below error.

{folder
path}\magento2\app\code\Custom\Module\Controller\Index\Index.php

namespace Custom\Module\Controller\Index;

use Magento\Framework\Controller\Result\ForwardFactory;
use Magento\Framework\App\Action\Context;

class Index extends \Magento\Framework\App\Action\Action {

    /**
     * @var \Magento\Framework\Controller\Result\ForwardFactory
     */
    protected $resultForwardFactory;

    /**
     * @param \Magento\Framework\App\Action\Context $context
     * @param \Magento\Framework\Controller\Result\ForwardFactory $resultForwardFactory
     */
    public function __construct(
    \Magento\Framework\App\Action\Context $context, \Magento\Framework\Controller\Result\ForwardFactory $resultForwardFactory
    ) {
        $this->resultForwardFactory = $resultForwardFactory;
        parent::__construct($context);
    }

    public function execute() {
        $resultPageFactory = $this->resultPageFactory->create();

        // Add page title
        $resultPageFactory->getConfig()->getTitle()->set(__('Sample Module'));

        // Add breadcrumb
        /** @var \Magento\Theme\Block\Html\Breadcrumbs */
        $breadcrumbs = $resultPageFactory->getLayout()->getBlock('breadcrumbs');
        $breadcrumbs->addCrumb('home', [
            'label' => __('Home'),
            'title' => __('Home'),
            'link' => $this->_url->getUrl('')
                ]
        );
        $breadcrumbs->addCrumb('custom_module', [
            'label' => __('Test'),
            'title' => __('Test')
                ]
        );
        return $resultPageFactory;
    }
}

1 exception(s): Exception #0 (Exception): Recoverable Error: Argument
2 passed to Custom\Module\Controller\Index\Index::__construct() must
be an instance of Magento\Framework\Controller\Result\ForwardFactory,
none given, called in {folder
path}\magento2\var\generation\Custom\Module\Controller\Index\Index\Interceptor.php
on line 14 and defined in {folder
path}\magento2\app\code\Custom\Module\Controller\Index\Index.php on
line 21