During July 2025, David Fernandez contributed to the danna3851/software10b repository by developing a runnable Java demonstration program and preparing a digital asset for UI and marketing use. He implemented a Java application featuring basic arithmetic operations, Celsius-Fahrenheit conversions, and introductory geometry calculations, all accessible through a main method. This code provided a foundation for onboarding and educational demonstrations, supporting internal testing and asset traceability. David’s work focused on Java programming and basic arithmetic logic, with assets managed through reproducible uploads. While no bugs were addressed during this period, the delivered features established tangible business value and improved project readiness.