Platform Developer 2 Study Guide
Every topic objective in the Platform Developer 2 exam explained thoroughly. The most efficient way to study the key concepts in the exam.
Last Updated: May 2026
The overview
This is the starting point for your study, covering all of the exam guide objectives.
The Platform Developer 2 Certification Study Guide incorporates all 28 Objectives within all 5 Sections of the official Salesforce Certification Exam Guide.
What's included?
- Covers all 5 Sections of the official Salesforce Certification Exam Guide
- Explains in detail all objectives within each section (28 in total)
- Includes code examples that you can use to learn the topics
- Explanations in plain English, with screenshots and diagrams (rather than endless, unremarkable text)
- Easy to read bullet points
- Review Flashcards (with questions and answers) for each section
- Includes links to lots of extra resources for further reading
- Detailed scenarios, requirements and sample answers to test your skills to define a solution
- Unlimited Access and Updates for 12 months
Everything you need to prepare for Platform Developer 2
In order to pass the Platform Developer 2 certification, you’ll find that knowledge and experience of the Salesforce platform aren’t enough. You also need to get to grips with the exam itself.
That’s why we created the Platform Developer 2 Study Guide.
Our study guide will help you understand confusing or difficult concepts from the official Salesforce Certification Exam Guide and brush up on your skills – all in a format that’s easy to digest and has been proven to work with thousands of happy customers.
The Platform Developer 2 Certification Study Guide will help you focus on the key points you need to know to pass the exam.
It includes code examples, summary points, screenshots and diagrams to illustrate key concepts, as well as visually explain and demonstrate Salesforce functionality.
Why this guide is important?
The Salesforce help pages and videos are great when you want to know all the details, but the Platform Developer 2 Study Guide provides a summary of all topics in study guide format.
You need a guide that summarises the key certification objectives in plain English, using examples, diagrams, charts and topic reviews to make sure you’ve cemented your understanding.
Course content
8 sectionsAdvanced Developer Fundamentals 4 topics
- Demonstrate knowledge of localization and multi-currency features and capabilities and how they affect coding.
- Given a scenario, justify using sharing objects and Apex managed sharing.
- Given a scenario, identify best practices for various types of custom metadata and custom settings, and how to implement required solutions.
- Knowledge Check
Process Automation, Logic, and Integration I 3 topics
- Given a scenario, identify the considerations of interactions between multiple processes, both declarative and programmatic.
- Given a scenario, propose and justify the optimal programmatic or declarative solution.
- Knowledge Check
Process Automation, Logic, and Integration II 4 topics
- Demonstrate knowledge of the best practices for writing Apex triggers.
- Describe the Apex features available for error handling and maintaining transactional integrity.
- Demonstrate how and where to use advanced keywords in a SOQL query structure.
- Knowledge Check
Process Automation, Logic, and Integration III 5 topics
- Analyze a set of requirements and determine the benefits of using asynchronous Apex coding.
- Given a scenario and requirements, identify the appropriate dynamic Apex feature to use in the solution.
- Given a scenario, identify the appropriate publish / subscribe logic for platform events.
- Given a scenario, apply programmatic integration techniques and platform features for inbound and outbound communication.
- Knowledge Check
User Interface I 5 topics
- Given requirements and code snippets for a Lightning Web Component or Aura Component and its Apex controller class, analyze and determine necessary changes to the Apex class.
- Identify the techniques for using Visualforce to perform actions, partial page refreshes, and asynchronous operations.
- Given a scenario, identify best practices for displaying errors in the user interface.
- Given a set of requirements, select the appropriate Lightning Web Component, Aura Component, or Visualforce solution and describe its benefits.
- Knowledge Check
User Interface II 4 topics
- Given a scenario, describe the aspects of Lightning Web Components or Aura Components that can be used to cause elements in a component's markup to display in a responsive manner based on a device's form factor.
- Given a scenario, implement the correct method to communicate events through Lightning Web Components or Aura Components.
- Describe the purpose and benefit of static resources in Visualforce, Lightning Web Components, and Aura Components.
- Knowledge Check
Testing, Debugging, and Deployment 5 topics
- Apply advanced techniques and tools for testing Apex classes and triggers, such as mocks and stubs.
- Apply techniques and tools for testing and debugging Lightning Web Components, Aura Components, and Visualforce controllers, Visualforce controller extensions, and JavaScript.
- Given a scenario, Apex code, Apex trigger, or Apex test that is not executing as expected, apply techniques and tools to isolate and identify the root cause.
- Given a scenario, formulate the deployment process, supporting tools, and mechanisms for source-driven development.
- Knowledge Check
Performance 6 topics
- Identify the common performance issues for user interfaces and demonstrate knowledge of techniques and tools to mitigate them.
- Given a scenario, choose the appropriate logic and query structure to maximize application performance and handle large data volumes.
- Analyze a given scenario and determine performance improvements that can be achieved with an asynchronous callout.
- Select scenarios where code reuse is applicable and how the reuse should be implemented.
- Given sample code, identify inefficiencies and and demonstrate the ability to resolve them.
- Knowledge Check
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Frequently asked questions
Everything you need to know before buying our study guide
What release are the study guides based on?
The study guides are updated shortly after each release. You will get any release updates for free during the 1 year of access after purchase.
Is there a limit for access to the study guides?
You will have unlimited access to this study guide for 12 months from your date of purchase. Plus, any updates or release changes made to the material during your year of access are included.
What is included in a K2 University Study Guide?
Study guides cover all sections of the official Salesforce Certification Exam Guide, explaining all objectives in detail with topic summaries, explanations in plain English, screenshots, diagrams, easy-to-read bullet points, links to extra resources for further reading, and scenarios with sample answers.
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