Developed TOON format serialization for Java objects within the eugenp/tutorials repository, focusing on robust serialization and deserialization workflows. The implementation included comprehensive unit tests to ensure reliability and maintainability, while dependency upgrades, such as updating json-io and switching token encoding to O200K_BASE, enhanced token efficiency and compatibility with GPT-4o. Code samples and tests were aligned with the latest Baeldung documentation to reflect these changes, supporting clear integration guidance. Leveraging Java, serialization techniques, and unit testing, the work increased test coverage and maintained consistency across the codebase, addressing evolving requirements for efficient object serialization and documentation alignment.