blog-notes-wonderland-presenter.java

class Presenter implements IPresenter {
    
    IUserModel userModel;
    IView view;
    
    Presenter(IUserModel userModel, IView view) {
        this.userModel = userModel;
        this.view = view;
    }
    
    @Override
    public void onLoad() {
        User user = userModel.getUser();
        String displayName = user.lastName() + ", " + user.firstName();
        view.setName(displayName);
    }
}