Michel Meyer enhanced code quality in the hiero-ledger/hiero-sdk-java repository by refactoring example files to replace wildcard imports with explicit imports. Using Java and applying software development best practices, Michel focused on improving code readability and maintainability, reducing ambiguity in sample code, and clarifying dependency boundaries. This targeted change aligned the codebase with internal standards and made onboarding easier for new developers by providing clearer examples. The work did not involve bug fixes but demonstrated attention to detail in code refactoring, supporting safer long-term maintenance and more effective code reviews within the Java development environment over the course of the month.