TNG Technology Consulting GmbH

Agentic language migration

September 24th, 2026

Migrating legacy languages such as COBOL or PL/I to Java faces specific challenges: unclear code structures, missing domain expertise, and the high risk of "big bang" approaches. A purely agentic workflow often leads to structural inconsistencies in this context.

A hybrid approach combines deterministic precision with autonomous agents for complex logic. The slideshow walks through the migration phases as an example: from dependency analysis and strategic planning to technical implementation using orchestrators, subagents, and wiki-based knowledge persistence, as well as validation strategies employing mainframe mimics.

Feel free to contact us if you're interested in more details.

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