Trailhead puts the learner at the heart of everything we do. Bite-sized, conversational content makes learning complex topics easy to understand and is personalized by roles and level — for example a would-be marketing practitioner might Learn Marketing Best Practices, while a director of customer service might want to pick up skills to Cultivate Equality at Work.
(1) Apex Triggers
(2) Apex Testing
(3) Asynchronous Apex
(4) Lightning Web Component Basics
(5) Apex Integration Services