First, and most important – all Spring beans are managed – they “live” inside a container, called “application context”. Second, each application has an entry point to that context. Web applications have a Servlet, JSF uses a el-resolver, etc. Also, there is a place where the application context is bootstrapped and all beans – autowired. … Read more
Wow, can’t believe that Joel would favor this: var svc = new ShippingService(new ProductLocator(), new PricingService(), new InventoryService(), new TrackingRepository(new ConfigProvider()), new Logger(new EmailLogger(new ConfigProvider()))); over this: var svc = IoC.Resolve<IShippingService>(); Many folks don’t realize that your dependencies chain can become nested, and it quickly becomes unwieldy to wire them up manually. Even with factories, … Read more