Claude Code skill: review and modernize legacy Java 8 code to Java 21 with AI. Generates a 1-100 score. Specialized for financial systems.

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• Updated May 20, 2026

Agent skill to upgrade Java code from older idioms to modern equivalents. 113 patterns across Java 7–25, covering language features, collections, streams, concurrency, enterprise migrations, and more.

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• Updated Sep 18, 2026
• Python