Claude Code modernizes a legacy COBOL codebase // TRAIN BRAIN

Claude Code modernizes a legacy COBOL codebase

Watch how Claude Code helps modernize a mainframe codebase.
Starting with code from an AWS Mainframe Modernization demo environment, Claude Code analyzes business logic, dependencies, and data flows, then helps refactor it into Java while preserving functionality. Claude Code handles the complex, multi-step work—generating documentation, developing migration plans, writing test suites, and iteratively validating the new code—directly from your terminal.

Anthropic

We’re an AI safety and research company. Talk to our AI assistant Claude on claude.com. Download Claude on desktop, iOS, or Android. We believe AI will have a vast impact on the world. Anthropic is dedicated to building systems that people can rely on a...

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