AWS Transform custom: AI-driven Java modernization to reduce tech debt

This article demonstrates how AWS Transform custom uses AI to automate Java application modernization, specifically upgrading from Java 8 to Java 21 while reducing technical debt.

• AWS Transform custom provides pre-built AWS-managed transformations for common modernization tasks
• Automates Java version upgrades, API migrations, framework updates, and dependency modernization
• CLI tool enables interactive and direct command modes for transformation execution
• Transforms legacy code patterns to modern Java features automatically
• Supports custom-defined transformations for organization-specific requirements
• Learns from each execution to improve future transformation accuracy
• Demonstrated on Movie Service app: Java 8 to 21, Spring Boot upgrade, Gradle updates
• Results include updated dependencies, modern patterns, and passing test cases

AWS Transform custom enables organizations to modernize Java applications at scale efficiently, reducing weeks of manual refactoring to minutes while maintaining code quality and consistency.