Inversion of Control

Dependency Injection

Use component for IOC- https://github.com/PlabonKumarsaha/SpringBootPractice-/blob/master/springComponentWIthAnnotation.txt

Spring configuration with annotation(constructor injection): https://github.com/PlabonKumarsaha/SpringBootPractice-/tree/master/SpringConfigWithAnnotation

Spring configuration with annotation(Setter injection) : https://github.com/PlabonKumarsaha/SpringBootPractice-/tree/master/SpringConfigWithAnnotation_Setter_Injection

Spring config with annotation(Field injection) : @Autowired (private/public)FortuneSerice fortuneSerice; // works with java reflection technologies

Spring config with annotation (FieldConfig + Qualifier) -https://github.com/PlabonKumarsaha/SpringBootPractice-/tree/master/SpringConfigWithAnnotation_Field_Ijection_qualifer

Spirng qualifier - Used when multiple classes implmenet the same abstract class. https://www.tutorialspoint.com/spring/spring_qualifier_annotation.htm

Controller - https://github.com/PlabonKumarsaha/SpringBootPractice-/tree/master/Controller_SPRINGMVC : How to add JSP and add action in JSP

@JsonManagedReference(aprent), @JsonBackReference(child) for bidirectional one to one : https://www.youtube.com/watch?v=Tvvt9coRlF4&list=PL0zysOflRCelmjxj-g4jLr3WKraSU_e8q&index=25&ab_channel=LearnCodeWithDurgesh