using Demo.Data.Repository; using Demo.Domain.UseCase; using Demo.UI; GroupRepositoryImpl _groupRepositoryImpl = new GroupRepositoryImpl(); UserRepositoryImpl _userRepositoryImpl = new UserRepositoryImpl(); UserUseCase _userUseCase = new UserUseCase(_groupRepositoryImpl, _userRepositoryImpl); GroupUseCase _groupUseCase = new GroupUseCase(_groupRepositoryImpl, _userRepositoryImpl); MainMenuUI mainMenuUI = new MainMenuUI(_userUseCase, _groupUseCase);