GoKhana Interview Questions and Answers

Coding in LWC, Apex, Aura, and Triggers is essential for Salesforce Developers.

• LWC (Lightning Web Components) - used for building UI components in Salesforce

• Apex - Salesforce's proprietary programming language for backend development

• Aura - Salesforce's previous framework for building UI components

• Triggers - used to perform custom actions before or after records are inserted, updated, or deleted

I have utilized design patterns such as Singleton, Factory, and Observer in my projects.

• Singleton pattern for ensuring a class has only one instance and providing a global point of access.

• Factory pattern for creating objects without specifying the exact class of object that will be created.

• Observer pattern for defining a one-to-many dependency between objects so that when one object changes state, all its dependents are notified and updated automatically.

The project architecture follows a microservices design pattern with a front-end client communicating with multiple back-end services.

• Microservices architecture

• Front-end client communicating with back-end services

• Use of RESTful APIs for communication

• Containerization with Docker for deployment

Types of flows in Salesforce include autolaunched flows, screen flows, and scheduled flows.

• Autolaunched flows are triggered by a process or record change

• Screen flows guide users through a series of screens to collect data

• Scheduled flows are set to run at specific times or intervals

Integration coding involves connecting different systems to work together seamlessly.

• Understand the APIs of the systems you are integrating

• Use middleware like MuleSoft or Boomi for complex integrations

• Consider data mapping and transformation requirements

• Implement error handling and logging for troubleshooting

• Test the integration thoroughly before deployment