DigitalVerse Studio · Software Development
Input Validation and Error Handling for Inventory Systems
Validate at the boundary and return a clear error before changing state. Practice with a stock ledger with a sale, a return and one duplicate event.
Role focus · Software Developer
What you'll learn
- Validate at the boundary and return a clear error before changing state. Practice with a stock ledger with a sale, a return and one duplicate event.
- Create and verify a inventory reconciliation module.
- Explain your decisions in a job interview.
Tools and workflows · Git, a local runtime and automated tests
Course syllabus
10 lessons and a 30-question multiple-choice assessment
- Learn the core methodLocked
- Work through a caseLocked
- Connect the skill to the roleLocked
- Use a role-specific workflowLocked
- Practice with workplace toolsLocked
- Handle a realistic exceptionLocked
- Check the quality of your workLocked
- Build the portfolio projectLocked
- Assess and present your projectLocked
- Prepare for a job interviewLocked
- Final assessment 30 multiple-choice questions · Pass with 24/30. Opens after all 10 lessons are complete. Locked
- Certificate of completion Earn your DigitalVerse Studio certificate by passing the final assessment. Locked
Portfolio project and certificate
Build a inventory reconciliation module you can discuss in job interviews.
Lessons include practice tasks, worked answers you can reveal after trying the exercise, and checks you can use to review your own work. Projects use fictional cases and are self-assessed.
Complete all 10 lessons and score at least 24 out of 30 on the final assessment to earn a DigitalVerse Studio certificate of completion.