Learn APEX with Real Code Examples

Before/after insert trigger

REST API endpoint

Batch job processing thousands of records

Scheduled Apex cleanup

CRUD operations with SOQL

Check governor limits

Avoid SOQL inside loops

Use bulkified triggers

Validate API request limits

Monitor async job failures

Write @isTest classes

Use Test.startTest() & Test.stopTest()

Cover bulk scenarios

Mock callouts using HttpCalloutMock

Maintain 75%+ code coverage

SFDX CLI

Change Sets

Unlocked Packages

Managed Packages

Metadata API

Salesforce Developer Console

VS Code with Salesforce Extensions

Salesforce CLI (SFDX)

Workbench

Salesforce Inspector

External REST APIs

SOAP integrations

Platform Events

Named Credentials

Salesforce-to-Salesforce

Use VS Code shortcuts

Automate deployments with SFDX

Create reusable utility classes

Follow naming conventions

Use logs for debugging

Build Lead auto-assignment trigger

Create REST API

Write batch job to process contacts

Integrate with external API

Build managed package logic