During September 2025, NareshCSE contributed to the NareshCSE/Java24CSEC repository by developing foundational features using Core Java. NareshCSE scaffolded a new placeholder component, establishing a clear structure for future development and ensuring traceability through well-documented commits. Additionally, NareshCSE implemented a console-based sum calculator program in Java, which processes user input to compute and display the sums of even and odd numbers, supporting rapid prototyping and validation of data processing flows. The work demonstrated a methodical approach to end-to-end feature delivery, emphasizing maintainable code organization and clear onboarding paths, though the scope remained focused on initial feature implementation.