how to write a controller in laravel code example

Example 1: laravel create controller

php artisan make:controller MyController

Example 2: laravel sample controller

php artisan make:controller MyController
php artisan make:controller CompanyController --resource
//To create with a Model
php artisan make:controller CompanyController --resource --model=CompanyModel

Example 3: controller in laravel 8

Rout::get('/test' , [TestController::class , 'index']);