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1. Dietary-Aware-Kitchen-System Dietary-Aware-Kitchen-System Public

   In-memory kitchen management in Java/JavaFX — dietary conflict detection, ingredient substitution, 234-test TDD/BDD suite.

   Java

2. Car-Part-Store Car-Part-Store Public

   REST API for a car parts retail business, with the business rules in the PostgreSQL schema: disjoint subtypes without triggers, price snapshots, concurrency-safe stock. Java 21, Spring Boot 3.3, JW…

   Java

3. Bookstore-Microservices Bookstore-Microservices Public

   Distributed bookstore — Flask microservices with replication, round-robin load balancing, and push-invalidated LRU caching.

   Python

4. Term-Deposit-Prediction Term-Deposit-Prediction Public

   Which bank clients subscribe to a term deposit — nine models compared, with a target-leakage analysis and a PCA evaluation.

   Jupyter Notebook

5. Spark Spark Public

   Peer-to-peer desktop chat: the signalling server only introduces two people, then the conversation runs directly between them — DTLS-encrypted text and file transfer, no port forwarding, and passwo…

   C++