Learn SALESFORCE-APEX with Real Code Examples

Auto-assigning Leads based on weighted scoring rules

Bulk invoice creation using Batch Apex

Custom REST endpoint consumed by external ERP

Queueable job that syncs high-volume opportunity updates

Trigger framework enforcing global validation rules

Check debug logs and filter by Apex execution events

Use Limits.getxxxx() methods to inspect limit usage

Validate JSON structures for callouts and inbound services

Check trigger recursion handling in frameworks

Ensure test data isolation and cleanup

Use @isTest annotation for test classes

Mock callouts using HttpCalloutMock

Create isolated test data using seeAllData=false

Assert governor limit usage where applicable

Aim for 85%+ coverage for high reliability

Salesforce DX source push/pull

Metadata API deployments

Unlocked Packages for modular codebases

Change Sets for admin-led deployment

CI/CD automation using pipelines

Salesforce DX CLI

VS Code Extension Pack

Copado, Flosum, Gearset for CI/CD

Workbench for APIs

Salesforce CLI plugins for metadata and automation

REST/SOAP callouts

Platform Events and CDC

Named Credentials for secure auth

External Services and OpenAPI schemas

Outbound Messaging

Use trigger frameworks (e.g., TDTM, fflib)

Use VS Code snippets

Create reusable utility classes

Follow consistent naming conventions

Test early and automate CI/CD

Managing governor limits

Avoiding trigger recursion

Designing scalable multi-object logic

Maintaining test coverage in large orgs

Ensuring security (CRUD/FLS) compliance