Claude Code modernizes an old COBOL code base
Claude Code modernizes an old COBOL code base
14 November 2025 • 19:54


Author: Anthropic – Duration: 00:04:15
Find out how Claude Code helps modernize a mainframe code base. Using code from an AWS Mainframe Modernization demo environment, Claude Code analyzes business logic, dependencies, and data flows, then helps refactor it in Java while preserving functionality. Claude Code manages complex work in several stages: generation of documentation, development of migration plans, writing test suites and iterative validation of new code, directly from your terminal.






