Beginner Apex Programming

Apex Programming: Beginner to Advanced

Learn Salesforce Apex from your first line of code to production-ready classes, triggers, integrations, asynchronous processing, testing, security, professional engineering practice, and enterprise architecture. Every lesson uses simple explanations, real Salesforce business scenarios, guided exercises, quizzes, and practical challenges — build 14 real projects along the way, then apply everything to a full production case study and an independent capstone. Over 170 hours end to end.

What Is Salesforce? Beginner 15 min What Is Apex? Beginner 15 min Why Apex Exists Beginner 15 min Developer Console Beginner 15 min VS Code and Salesforce Extensions Beginner 20 min Salesforce CLI Basics Beginner 20 min Execute Anonymous Beginner 15 min Reading Debug Logs Beginner 15 min How Salesforce Executes Your Code Beginner 20 min
Objects, Fields, and Records: The Building Blocks Beginner 15 min Standard Objects vs Custom Objects Beginner 15 min Relationships, Conceptually: Lookup vs Master-Detail Beginner 15 min The Salesforce Security Model: Profiles, Permission Sets, Roles Beginner 20 min Declarative vs Programmatic: When to Use Flow Instead of Apex Beginner 20 min
What Is a Variable? Beginner 15 min Numbers Beginner 20 min Text: String Beginner 15 min Boolean Beginner 10 min Date, Time, and Datetime Beginner 20 min Salesforce Record IDs: the Id Type Beginner 15 min A First Look at Non-Primitive Types Beginner 15 min Null: The Concept of Nothing Beginner 15 min Constants and the final Keyword Beginner 10 min
What Is an Expression? Beginner 10 min Arithmetic Operators Beginner 15 min Assignment Operators Beginner 10 min Comparison Operators Beginner 15 min Logical Operators Beginner 15 min Type Conversion vs Casting Beginner 20 min String Concatenation and Formatting Beginner 15 min
What Is an Enum? Beginner 15 min Declaring and Using Enums Beginner 15 min Enums vs Picklists Beginner 10 min
Comparison Operators in Practice Beginner 15 min If Statements Beginner 15 min If, Else If, and Else Beginner 15 min Logical Operators in Practice Beginner 15 min Switch Statements Beginner 15 min The Ternary Operator Beginner 15 min
Lists: A Quick Foundation Before Looping Beginner 20 min Why Loops Exist Beginner 10 min For Loops Beginner 20 min Enhanced For Loops Beginner 20 min While Loops Beginner 15 min Do-While Loops Beginner 15 min Break and Continue Beginner 15 min Loops and Governor Limits Beginner 20 min
Plan the Program Beginner 20 min Build the Operations Beginner 30 min Handle Invalid Input Beginner 25 min Present the Result Beginner 20 min
What Is a Method? Beginner 15 min Writing Your First Method Beginner 20 min Parameters and Arguments Beginner 20 min Return Values Beginner 20 min Method Overloading Beginner 20 min Recursion: A First Look Beginner 20 min
What Is a Class? Beginner 20 min What Is an Object? Beginner 15 min Creating Your First Class Beginner 20 min Constructors Beginner 20 min Static vs Instance Members Beginner 25 min Properties: get and set Beginner 20 min Access Modifiers Beginner 25 min
Encapsulation Intermediate 25 min Inheritance Intermediate 25 min Virtual and Override Intermediate 25 min Abstract Classes Intermediate 25 min Interfaces Intermediate 30 min Polymorphism Intermediate 30 min Composition Over Inheritance Intermediate 25 min
Design the Classes Beginner 25 min Model a Student Beginner 30 min Model a Course Roster Beginner 30 min Add Business Rules Beginner 30 min Handle Errors Gracefully Beginner 25 min Review and Refactor Beginner 25 min
Keywords Tour Intermediate 20 min Annotations Overview Intermediate 25 min Namespaces Intermediate 20 min ApexDoc and Documentation Standards Intermediate 20 min Try, Catch, and Finally Intermediate 25 min Common Built-In Exceptions Intermediate 25 min Custom Exceptions Intermediate 25 min
Git Fundamentals for Developers Intermediate 25 min Branching and Committing Discipline Intermediate 20 min Writing Clean Code Intermediate 25 min SOLID Principles in Apex Intermediate 35 min Code Review Best Practices Intermediate 25 min Giving and Receiving Feedback Intermediate 15 min Pull Requests, Step by Step Intermediate 20 min
What Is a Collection? Beginner 15 min Lists Beginner 25 min Iterating Lists Beginner 20 min Sorting Lists Beginner 20 min
Sets Intermediate 20 min Maps Intermediate 25 min Maps of sObjects Intermediate 25 min Nested Collections Intermediate 25 min Choosing List vs Set vs Map Intermediate 20 min Custom Types in Collections: Wrapper Classes Intermediate 25 min
Design the Data Structures Intermediate 25 min Model an Employee Directory (Maps) Intermediate 30 min Deduplicate and Validate (Sets) Intermediate 25 min Generate Reports from Collections Intermediate 30 min Handle Edge Cases Intermediate 25 min Review and Refactor Intermediate 25 min
Standard Objects Intermediate 20 min Custom Objects Intermediate 20 min Custom Fields Intermediate 20 min Relationships in Apex Intermediate 25 min Record IDs: 15 vs 18 Characters Intermediate 15 min What Is an sObject? Intermediate 20 min Dynamic sObjects Intermediate 25 min Schema Describe Basics Intermediate 30 min
What Is DML? Intermediate 15 min Insert Intermediate 20 min Update Intermediate 20 min Upsert and External IDs Intermediate 25 min Delete and Undelete Intermediate 20 min Merge Intermediate 20 min The Database Class and Partial Success Intermediate 30 min Transactions and Savepoints Intermediate 25 min What Really Happens When You Insert a Record Intermediate 25 min
What Is SOQL? Intermediate 15 min Your First SOQL Query Intermediate 20 min Filtering with WHERE Intermediate 25 min Sorting and Limiting Results Intermediate 20 min Parent Relationship Queries Intermediate 25 min Child Relationship Queries (Subqueries) Intermediate 30 min Aggregate Functions and GROUP BY Intermediate 30 min SOQL For Loops Intermediate 20 min Bind Variables Intermediate 20 min Dynamic SOQL and Injection Risk Intermediate 30 min Query Selectivity and Performance Intermediate 30 min How Salesforce Executes a SOQL Query Intermediate 25 min
What Is SOSL? Intermediate 15 min Your First SOSL Search Intermediate 20 min Searching Multiple Objects Intermediate 20 min SOSL in Apex Intermediate 25 min
Design the Data Model Intermediate 25 min Build the Core Classes Intermediate 30 min Query the Catalog Intermediate 30 min Handle Checkouts and Returns Intermediate 30 min Search the Library Intermediate 25 min Handle Errors Intermediate 25 min Review and Refactor Intermediate 25 min
Design the Stock Model Intermediate 25 min Track Inventory Levels Intermediate 30 min Query Low-Stock Items Intermediate 25 min Process Stock Adjustments (DML) Intermediate 30 min Search Across Warehouses (SOSL) Intermediate 25 min Handle Errors Intermediate 25 min Review and Refactor Intermediate 25 min
What Is a Trigger? Intermediate 20 min Before and After Triggers Intermediate 25 min Trigger Context Variables Intermediate 30 min Your First Trigger Intermediate 25 min Avoiding Logic in Triggers Intermediate 25 min Trigger Recursion Intermediate 25 min Order of Execution Intermediate 35 min Trigger Framework Fundamentals Intermediate 35 min
Why Governor Limits Exist Intermediate 20 min The Full List of Limits That Matter Intermediate 30 min The SOQL-in-a-Loop Problem Intermediate 25 min The DML-in-a-Loop Problem Intermediate 25 min Bulkification Patterns Intermediate 35 min Using the Limits Class Intermediate 20 min CPU Time and Heap Size Intermediate 25 min Writing Your First Automated Test Intermediate 30 min
Design the Requirement Intermediate 25 min Build the Trigger Handler Intermediate 30 min Bulkify the Logic Intermediate 30 min Add Validation in Apex Intermediate 30 min Handle Governor Limits Intermediate 25 min Add Service Classes Intermediate 30 min Test the Feature Intermediate 30 min Review and Refactor Intermediate 25 min
Design the Approval Workflow Intermediate 25 min Build a Bulk-Safe Trigger Intermediate 30 min Enforce Business Rules Intermediate 30 min Handle Overlapping Requests Intermediate 30 min Bulkify the Logic Intermediate 25 min Test with Multiple Records Intermediate 25 min Review and Refactor Intermediate 25 min
with sharing, without sharing, and inherited sharing Advanced 30 min CRUD and Field-Level Security Advanced 30 min Security.stripInaccessible Advanced 30 min User Mode Database Operations Advanced 30 min SOQL Injection Advanced 30 min Secure Apex Controllers Advanced 30 min
List Custom Settings Intermediate 20 min Hierarchy Custom Settings Intermediate 20 min Custom Metadata Types Intermediate 25 min Choosing Between Custom Settings, Custom Metadata, and Custom Objects Intermediate 25 min
Design the Case Model Advanced 25 min Enforce Field-Level Security Advanced 30 min Build Configurable Business Rules (Custom Metadata) Advanced 30 min Automate Case Routing Advanced 30 min Secure Data Access Advanced 30 min Handle Errors Gracefully Advanced 25 min Test the Feature Advanced 30 min Review and Refactor Advanced 25 min
Why Tests Matter Advanced 20 min Your First Test Class Advanced 25 min Creating Test Data Advanced 25 min Test.startTest and Test.stopTest Advanced 20 min Assertions That Actually Tell You Something Advanced 30 min Testing Exceptions Advanced 20 min Testing Triggers: Bulk and Edge Cases Advanced 30 min Test Data Factories Advanced 30 min Mocking HTTP Callouts Advanced 35 min Code Coverage vs Meaningful Testing Advanced 25 min
Design the Approval Logic Advanced 25 min Build the Calculation Engine Advanced 35 min Enforce Validation Rules Advanced 30 min Build a Bulk-Safe Trigger Advanced 30 min Write a Test Data Factory Advanced 30 min Write Comprehensive Tests Advanced 35 min Test Edge Cases and Exceptions Advanced 30 min Review and Refactor Advanced 25 min
Debug Log Levels Intermediate 20 min Reading a Debug Log Under Pressure Intermediate 25 min Checkpoints and the Developer Console Debugger Intermediate 25 min Common Runtime Exceptions and What They Really Mean Intermediate 25 min Defensive Programming Intermediate 25 min
Why Apex Needs to Talk to the UI Advanced 15 min @AuraEnabled Methods Advanced 25 min Imperative Calls vs the Wire Service (the Apex Side) Advanced 30 min Returning Data to LWC: Wrapper Classes and DTOs Advanced 25 min Cacheable Methods and Performance Advanced 25 min Handling Errors Gracefully for the UI Advanced 20 min
Design the Data Aggregation Advanced 30 min Build the Service Layer Advanced 35 min Secure the Data Access Advanced 30 min Build the Apex Controller for LWC Advanced 35 min Write Comprehensive Tests Advanced 35 min Handle Edge Cases Advanced 25 min Optimize Performance Advanced 30 min Review and Refactor Advanced 25 min
Integration Basics: Sync vs Async Advanced 20 min JSON Serialization and Deserialization Advanced 30 min XML Basics in Apex Advanced 25 min HTTP Callouts: Http, HttpRequest, HttpResponse Advanced 35 min Named Credentials and External Credentials Advanced 30 min REST Resources in Apex (@RestResource) Advanced 35 min SOAP Web Services Overview Advanced 25 min Platform Events Advanced 30 min Testing Integrations Advanced 30 min
Design the Integration Contract Advanced 25 min Build the Callout Service Advanced 35 min Handle Authentication Advanced 30 min Parse the Response (JSON) Advanced 30 min Handle Errors and Timeouts Advanced 25 min Test with HttpCalloutMock Advanced 30 min Review and Refactor Advanced 25 min
Why Run Work Asynchronously? Advanced 20 min Future Methods Advanced 25 min Queueable Apex Advanced 35 min Batch Apex Advanced 40 min Scheduled Apex Advanced 30 min Async Limits and Monitoring Advanced 25 min Choosing the Right Async Tool Advanced 25 min
Design the Payment Flow Advanced 25 min Build the Callout Service Advanced 35 min Make It Asynchronous (Queueable) Advanced 35 min Handle Declines and Retries Advanced 30 min Secure Sensitive Data Advanced 30 min Test with Mocks Advanced 30 min Monitor Transactions Advanced 25 min Review and Refactor Advanced 25 min
What Is Salesforce DX? Advanced 20 min Scratch Orgs Advanced 25 min Source Tracking Advanced 25 min Packaging: Unlocked and Managed (Overview) Advanced 25 min Change Sets vs Modern Deployment Advanced 20 min Branching Strategies for Salesforce Teams Advanced 25 min CI/CD Concepts for Salesforce Advanced 25 min
Working in Agile Teams Advanced 20 min Scrum for Salesforce Teams Advanced 20 min Writing a Technical Design Document Advanced 30 min Logging and Debugging Production Issues Advanced 30 min Release Management Advanced 25 min Production Support and Incident Response Advanced 30 min
Design the Account Model Advanced 30 min Build Bulk-Safe Transaction Triggers Advanced 35 min Enforce Governor-Limit-Safe Batch Processing Advanced 35 min Integrate with an External Ledger Advanced 35 min Schedule Nightly Reconciliation (Batch + Scheduled) Advanced 35 min Secure Account Data Advanced 30 min Write a Full Test Suite Advanced 40 min Monitor and Log Advanced 25 min Review and Refactor Advanced 25 min
Why Architecture Matters at Scale Advanced 20 min Separation of Concerns Advanced 25 min Service Layer Advanced 30 min Selector Layer Advanced 30 min Domain Layer and Trigger Handlers Revisited Advanced 30 min Dependency Injection in Apex Advanced 30 min Factory Pattern Advanced 25 min Strategy Pattern Advanced 25 min DTOs, Wrapper Classes, and Avoiding Overengineering Advanced 25 min
Big Objects: Storing Massive Data Volumes Advanced 30 min Platform Cache Advanced 25 min External Objects and Salesforce Connect (Overview) Advanced 25 min Multi-Tenant Considerations Beyond Governor Limits Advanced 30 min Choosing the Right Architecture for Scale Advanced 40 min
Gather Requirements Advanced 30 min Design the Architecture Advanced 40 min Build the Domain Layer Advanced 40 min Build the Selector Layer Advanced 35 min Build the Service Layer Advanced 40 min Build the Trigger Handlers Advanced 40 min Add Async Processing Advanced 35 min Add Integrations Advanced 40 min Secure the Application Advanced 35 min Write the Test Suite Advanced 45 min Document the Architecture Advanced 30 min Final Review and Presentation Advanced 30 min
Estimated time
170 hours
Modules
45
Lessons
319
Log in to Enroll