What this material helps you review.
Use this guide before rewriting or replacing a legacy Java system. The first goal is to understand what must keep working.
- Critical business flows and rules that are not documented.
- Build, runtime, database, integrations and manual deployment risks.
- Technical inventory for modules, jobs, files and dependencies.
- Incremental modernization instead of a risky all-at-once rewrite.
- How AI can help documentation when reviewed by a technical owner.