Learn APEX with Real Code Examples

Runs on Salesforce multi-tenant architecture

Database interactions via SOQL/SOSL

Triggers executed before/after data operations

Async jobs for long-running tasks

Metadata-driven execution model

Apex source code compiled on Salesforce

Stored as metadata

Executed in cloud runtime

Integrates with triggers, APIs, events

Runs inside managed multitenant sandbox

Trigger-handler pattern

Service-layer architecture

Repository pattern for SOQL

Async chaining

Platform event-driven workflows

Enterprise CRM automations

Healthcare management systems

Banking workflow engines

Sales integrations

SaaS package development

Optimized for multitenancy

Strongly typed Java-like model

Secure execution

Bulk processing support

Metadata-driven workflow

Use bulk patterns

Avoid CPU-heavy loops

Use Queueable for large jobs

Use Batch for millions of records

Design reusable service classes

Move logic from workflows to triggers

Convert Process Builders to Apex (if needed)

Use invocable Apex for Flow

Refactor monolithic triggers into handlers

Move heavy logic to async Apex