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@Controller/@RestController -> Where your REST API are exposed to outside world. (@RestController is the newer & simpler )
@Service -> Where your business logic stays
@Repository -> Where you interact with DataBases
@Component -> where you have common logic which is accessed by Service components in general
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Model -> mapping of your class file fields to DataBase columns
Annotations
NoSQL
@Document
SQL
@Entity
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application.properties - all you application configuration(Databases, Message Queues, Cluster/Nodes etc..) goes here
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Lombok--
@Data -> Generates default Geeters/Setters/RequiredArgsConstructor etc..
@Data == @Getter, @Setter, @ToString, @EqualsAndHashCode and @RequiredArgsConstructor(all fields are needed)
TODO Tasks--
1. Setup MongoDB, DB2, Postman(optional)
2. Make sure your local instance is up & running
3. Get familar with Eclipse IDE(shortcuts of Eclipse for Easier Navigation)
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