Magento 2 : Run Dependency using Contoller and helper

Helper :-

<?php

namespace MageplazaHelloWorldHelper;
use MagentoFrameworkAppHelperAbstractHelper;

class Data extends AbstractHelper
{
       public function getStoreConfig()
       {
               echo 'This is Dependency Injection';
       }
}

Controller:-

<?php

namespace MageplazaHelloWorldControllerDependency;

use MageplazaHelloWorldHelperData;
use MagentoFrameworkAppActionAction;
use MagentoFrameworkAppActionInterface;

class Dependency extends MagentoFrameworkAppActionAction
{
       public function __construct(Data $helper)
       {
               $this->helper = $helper;
       }
       public function execute()
       {
               $this->helper->getStoreConfig();
               exit();
       }
}