Hexaware Technologies AEM Developer Interview Questions and Answers

Annotations used in Sling Model for AEM development

• The @Model annotation is used to define a Sling Model class

• The @Inject annotation is used to inject OSGi services or request attributes

• The @Self annotation is used to inject the current resource

• The @Via annotation is used to specify the resource type to adapt from

• The @Named annotation is used to specify the name of the injected property

The @Component annotation in servlet is used to declare a servlet as a component in AEM.

• Used to declare a servlet as a component in AEM

• Helps in defining the servlet as a service component

• Allows the servlet to be managed by the OSGi container

To call properties of a page in the model class, use the Page API in AEM

• Use the Page API to get the current page object in the model class

• Access the properties of the page using the getProperty method on the page object

• Ensure to handle null values or default values for properties that may not exist