PDI: Salesforce Platform Developer I Practice test 2025

The Salesforce Platform Developer I (PDI) certification course is your gateway to becoming a skilled Salesforce developer. This comprehensive program is designed for professionals and aspiring developers who want to create powerful, scalable, and secure applications on the Salesforce platform. Whether you are an experienced programmer, a Salesforce administrator looking to expand your skills, or a newcomer to the Salesforce ecosystem, this course will guide you step-by-step through mastering the tools and techniques you need to excel in Salesforce development.

What Will You Learn?

This course dives deep into Salesforce's programmatic capabilities and equips you with the knowledge and hands-on experience to design, implement, and deploy custom applications. Here's an overview of what you will gain:

1. Understanding Salesforce Fundamentals

• Gain a solid foundation in Salesforce architecture and data model.

• Explore standard and custom objects, fields, and relationships.

• Learn how Salesforce delivers solutions for businesses using its declarative and programmatic tools.

2. Data Modeling and Management

• Understand how to work with object relationships, schema design, and Salesforce Object Query Language (SOQL).

• Learn to manage data using Apex DML operations while respecting Salesforce governor limits.

• Explore data validation techniques to ensure clean, reliable data.

3. Apex Development

• Master the basics of Apex, Salesforce’s object-oriented programming language.

• Understand the execution flow, context variables, and best practices for writing efficient, bulk-safe code.

• Build custom logic with triggers, classes, and asynchronous Apex for real-world scenarios.

4. Lightning Web Components (LWC)

• Get hands-on with modern web development using Lightning Web Components (LWC).

• Understand JavaScript ES6 concepts and their application within Salesforce.

• Create dynamic and responsive user interfaces to enhance user experience.

5. Visualforce Development

• Explore Visualforce for creating custom UI solutions.

• Learn about Visualforce components, controllers, and integration with Salesforce data.

• Transition seamlessly to modern UI frameworks like LWC.

6. Automation and Logic

• Compare and combine declarative tools like Flows and Process Builder with programmatic approaches.

• Build custom logic to solve complex business challenges.

• Gain insight into building error-free, scalable automation processes.

7. Security and Best Practices

• Learn Salesforce’s security model, including profiles, roles, permission sets, and field-level security.

• Understand how to write secure code to prevent vulnerabilities like SOQL injection and unauthorized access.

• Implement sharing rules and secure Apex classes with sharing.

8. Testing, Debugging, and Deployment

• Write test classes to validate your code and ensure application reliability.

• Use Salesforce debugging tools like debug logs to troubleshoot issues efficiently.

• Learn how to deploy changes using Change Sets, Metadata API, and Salesforce CLI.

9. Real-World Scenarios and Projects

• Work on projects that mirror real-world use cases, preparing you for on-the-job challenges.

• Gain insights into Salesforce development best practices, coding standards, and deployment workflows.

• Learn how to collaborate with teams in sandbox and production environments.