Mastering Salesforce Apex: A 30-Day Challenge to Ace Apex Coding Interviews

Are you on a mission to level up your Salesforce Apex skills and ace those challenging coding interviews? If so, you’re in the right place. In this blog post, we present a 30-day challenge designed to help you become a proficient Apex developer ready to tackle even the toughest interview questions.

Why a 30-Day Challenge?

Embarking on a structured 30-day challenge is an excellent way to set a clear goal, improve your coding skills, and build your confidence. Whether you’re a beginner or an experienced developer, this challenge offers something for everyone. Let’s dive into the breakdown of this exciting journey.

Day 1-10: Building Strong Foundations

In the first ten days, we’ll focus on mastering the basics of Apex. You’ll start with the fundamentals of writing triggers and classes. This is the time to understand the essentials of variables, loops, and conditional statements. A few sample questions you might explore include setting field values, creating and updating records, and performing basic data validation.

Day 11-20: Moving Beyond the Basics

Once you have a solid grasp of the basics, it’s time to level up your game. Days 11-20 are dedicated to exploring intermediate-level concepts. You’ll tackle more complex scenarios like handling bulk data, creating custom roll-up summaries, and enforcing advanced validation rules. These scenarios will challenge you to think critically and optimize your code for efficiency.

Day 21-30: The Advanced Arena

In the final stretch, we’ll delve into the advanced world of Apex development. You’ll tackle intricate problems, such as integrating with external systems, generating PDF documents, and managing complex business processes. These challenges are designed to push your skills to the limit and prepare you for even the most demanding interviews.

Creating Test Classes

Don’t forget that each scenario should be accompanied by a corresponding test class. Writing effective test classes is a fundamental part of Salesforce development, and it’s essential for interview success. Test classes demonstrate that your code works as intended and adheres to best practices.

Connect with the Salesforce Community

Throughout the challenge, engage with the vibrant Salesforce community. Seek advice, share your progress, and learn from experienced developers. The Salesforce ecosystem is full of helpful individuals willing to support your journey.

Conclusion

By the end of this 30-day challenge, you’ll have honed your Apex development skills and be well-prepared to tackle Salesforce Apex coding interviews with confidence. Remember, the key to success is practice and perseverance. So, are you ready to embark on this exciting journey to master Salesforce Apex? Let’s get started!

Basic Apex Interview Questions (Days 1-10):

DayChallenge Description
1Write a trigger to set “Close Date” to today on “Closed-Won” Opportunities.
2Create an Apex class to find duplicate Contacts by email.
3Write a trigger to calculate total Opportunity amount on Account updates.
4Implement a utility class for data validation and use it in your triggers.
5Develop a trigger to populate a Lead’s converted Account name.
6Create a trigger to merge duplicate Accounts.
7Write a trigger to prevent Case deletion associated with an Account.
8Implement a trigger to block the insertion of duplicate Custom Objects.
9Develop a trigger to send email notifications for “High Priority” Cases.
10Create a utility class for date-related calculations in triggers.

Intermediate Apex Interview Questions (Days 11-20):

DayChallenge Description
11Build a trigger to create child records on parent record creation.
12Write a trigger that efficiently handles bulk updates.
13Develop a trigger and test class with complex validation rules.
14Create an Apex class for bulk record updates and insertions within limits.
15Write a trigger to perform custom roll-up summary between custom objects.
16Implement a trigger to calculate the age of a custom object based on a date field.
17Create a trigger to enforce field-level security during record updates.
18Develop a trigger to schedule asynchronous processing of records.
19Write a trigger and test class to ensure sharing rules on a custom object.
20Implement a trigger for complex data transformation and validation.

Advanced Apex Interview Questions (Days 21-30):

DayChallenge Description
21Build a trigger to synchronize data between Salesforce and an external system via REST API.
22Develop a trigger to create a related record when a specific field value changes.
23Create a trigger that generates PDF documents and stores them as attachments.
24Implement a trigger for complex territory assignments based on various criteria.
25Write a trigger to handle partial record updates based on specific conditions.
26Develop a trigger to integrate with a third-party API and update Salesforce records.
27Write a trigger to implement a custom approval process.
28Create a trigger that enforces complex validation rules across multiple related objects.
29Develop an Apex class for bulk data transformation and migration.
30Implement a trigger and test class for a complex business process (e.g., lead conversion with custom logic).

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