فحص المكونات والأنماط الوسمية

في هذا الدرس

say how beans are found and which stereotype to use.

الموضوعات المخطط لها

• @SpringBootApplication includes component scanning of its own package and sub-packages.
• Stereotypes: @Component generic, @Service business logic, @Repository data access, @Controller/@RestController web.
• They all create beans; the names add meaning and some extra behavior (@Repository translates database exceptions).
• A class outside the scanned packages is not found.