Learn APEX with Real Code Examples
Updated Nov 19, 2025
Learning Path
Learn Salesforce fundamentals
Master SOQL & DML
Write triggers
Learn async Apex
Integrate external systems
Skill Improvement Plan
Week 1: Apex basics & SOQL
Week 2: Triggers & bulkification
Week 3: Async Apex (Batch/Queueable)
Week 4: Integrations & APIs
Interview Questions
Explain governor limits.
Difference between trigger.new and trigger.old?
What is bulkification?
How do you handle callouts in Apex?
What is a Queueable Apex class?
Cheat Sheet
SELECT Id, Name FROM Account;
insert new Account(Name='Test');
System.debug('Log');
Test.startTest(); ... Test.stopTest();
@future callout=true
Books
Advanced Apex Programming
Salesforce for Developers
Apex Academy Series
Tutorials
Trailhead Apex Basics
Apex Trigger Workshops
Apex Hours YouTube sessions
Official Docs
Salesforce Apex Developer Guide
SOQL & SOSL Reference
Salesforce CLI Reference
Community Links
Salesforce StackExchange
Trailblazer Community
Apex Hours
Community Support
Salesforce StackExchange
Salesforce Trailblazer Community
Apex Hours
Salesforce Discord groups
Local Developer Groups