20+ Adobe AEM Developer Interview Questions and Answers

Questions related to Adobe AEM development concepts and features.

• Sightly Implicit Objects provide easy access to frequently used objects in AEM templates.

• Sling Resource Type defines the type of a resource while Sling Resource Super Type defines the type of its parent resource.

• Sling Models provide a way to map Sling resources to Java objects.

• Sling Models are more flexible and efficient than WCM Use POJOs.

• Custom workflows can be created using AEM Workflow API and OSGi services....read more

Implemented components creation with backend code and HTL in previous projects.

• Used Java backend code to handle business logic and data manipulation.

• Integrated backend code with Sightly (HTL) templates to render dynamic content.

• Utilized AEM APIs to interact with content repository and retrieve data.

• Ensured separation of concerns by keeping backend logic separate from presentation layer.

• Tested components thoroughly to ensure proper functionality and performance.

HTML, CSS, and JavaScript are the building blocks of web development.

• HTML (Hypertext Markup Language) is used for structuring content on web pages.

• CSS (Cascading Style Sheets) is used for styling the appearance of web pages.

• JavaScript is a programming language used for adding interactivity to web pages.

Some annotations used for creation of sling models and servlets are @Model, @Inject, @SlingServlet

• @Model - Used to define a Sling Model class

• @Inject - Used to inject dependencies into a Sling Model class

• @SlingServlet - Used to define a servlet in AEM

Project devops setup involves code repository, build pipelines, code quality checks, and deployments.

• Utilize version control system like Git for code repository management.

• Implement continuous integration/continuous deployment (CI/CD) pipelines for automated builds and deployments.

• Integrate code quality tools like SonarQube or Checkstyle for ensuring code standards.

• Use deployment tools like Jenkins or Ansible for seamless deployments.

• Leverage containerization technologies lik...read more

Bubble sort algorithm sorts an array by repeatedly swapping adjacent elements if they are in wrong order.

• Compare adjacent elements and swap them if they are in wrong order

• Repeat this process until the array is sorted

• Time complexity is O(n^2)

• Space complexity is O(1)

• Example: ['apple', 'banana', 'orange', 'grape'] -> ['apple', 'banana', 'grape', 'orange']

To make a responsive website, use CSS media queries, flexible grids, and fluid images.

• Use CSS media queries to adjust layout based on screen size

• Implement flexible grids using frameworks like Bootstrap or Flexbox

• Use fluid images that scale with the size of the viewport

Adobe Experience Manager is a comprehensive content management solution for building websites, mobile apps, and forms.

• Allows for easy creation, management, and delivery of personalized content across different channels

• Provides tools for digital asset management, workflow automation, and analytics

• Supports integration with other Adobe products like Adobe Analytics and Adobe Target

Sling models are POJO classes used to map Sling resources to Java objects. JUnit is a testing framework for unit testing Java code.

• Sling models are used to bind Sling resource properties to Java class fields.

• They simplify the process of accessing and manipulating content in AEM.

• JUnit is used for writing and running unit tests for Java code.

• JUnit tests ensure that individual units of code are working correctly.

• Example: Creating a Sling model to map a product resource in AEM to...read more

Web technologies refer to the tools and software used to create, manage, and deliver websites and web applications.

• HTML - markup language for creating web pages

• CSS - styling language for designing web pages

• JavaScript - programming language for adding interactivity to web pages

• PHP - server-side scripting language for dynamic web content

• Java - programming language commonly used for web development

• ASP.NET - framework for building web applications on the .NET platform

OSGi services are reusable components in OSGi framework that provide specific functionality and can be dynamically registered and used by other components.

• OSGi services are Java objects that implement a specific interface or extend a specific class.

• They are registered with the OSGi service registry and can be dynamically discovered and used by other components.

• OSGi services follow the Inversion of Control (IoC) principle, allowing components to be loosely coupled.

• Examples of ...read more

Dynamic media refers to the ability to deliver personalized, interactive, and engaging content to users in real-time.

• Dynamic media allows for the customization of content based on user behavior, preferences, and demographics.

• It enables the delivery of rich media content such as videos, images, and interactive elements.

• Examples include personalized product recommendations on e-commerce websites, interactive maps on travel websites, and dynamic pricing based on user location.

• Dy...read more

AEM architecture is based on a modular and scalable design, with a core repository for content storage and various components for managing content, workflows, and user interfaces.

• AEM is built on a Java Content Repository (JCR) which stores content in a hierarchical structure.

• It uses Apache Sling to map HTTP requests to resources based on the request URL.

• AEM includes a powerful component-based development framework called Sightly for building web pages.

• It also has a workflow e...read more

jQuery is a popular JavaScript library used for simplifying HTML document traversal and manipulation, event handling, and animation.

• jQuery allows for easier DOM manipulation and event handling compared to vanilla JavaScript

• It simplifies AJAX calls and animations on web pages

• jQuery selectors make it easy to target specific elements on a webpage

• Plugins and extensions are available to extend jQuery's functionality

• Example: $('button').click(function() { alert('Button clicked!'); ...read more

Services can be written using Java classes that implement specific interfaces or extend abstract classes.

• Create a Java class that implements the desired service interface

• Define the service methods within the class

• Register the service in the OSGi container using service annotations

• Access the service using OSGi service references

Custom workflow is a workflow that is tailored to specific business needs and processes.

• Custom workflows are created using Adobe AEM Workflow Console.

• They allow organizations to automate and streamline their unique processes.

• Custom workflows can include specific steps, notifications, and approvals based on business requirements.

JCR stands for Java Content Repository, a key component of Adobe Experience Manager (AEM) for storing and managing content.

• JCR is a hierarchical database that stores content in a tree structure.

• It allows for versioning, access control, and querying of content.

• Nodes and properties are used to represent content in JCR.

• Example: /content/mysite/homepage is a node in JCR representing the homepage of a website.

OOP stands for Object-Oriented Programming, a programming paradigm based on the concept of objects.

• OOP focuses on creating objects that contain both data and methods to manipulate that data.

• Key concepts include encapsulation, inheritance, and polymorphism.

• Encapsulation involves bundling data and methods within a class to restrict access.

• Inheritance allows a class to inherit properties and behavior from another class.

• Polymorphism enables objects to be treated as instances of t...read more

AEMaaCS is Adobe Experience Manager as a Cloud Service, a cloud-native solution for managing digital experiences.

• AEMaaCS is a cloud-native solution for managing digital experiences.

• It provides scalability, flexibility, and agility for organizations to deliver personalized content.

• AEMaaCS offers automatic updates and maintenance, reducing the need for manual intervention.

• It allows for seamless integration with other Adobe Experience Cloud solutions.

• AEMaaCS enables faster time ...read more

Sling models are POJOs used in Adobe Experience Manager to map JCR nodes to Java objects.

• Sling models are used to map JCR nodes to Java objects in Adobe Experience Manager

• They are annotated with @Model and can be used to define the structure of the Java object

• Sling models help in separating the business logic from the view logic in AEM components