Day #13: Hash Code Heroes: Where Collisions Meet Elegance 🗝️
Today we implemented a complete hash table data structure from scratch, focusing on proper collision handling and clean code practices. The code changes from this session can be found here. Day 13 Summary Overview Built a generic hash table implementation with chaining-based collision resolution while maintaining clean code principles and comprehensive testing practices. Environment & Tools Maven project structure JUnit 5 testing framework Clean package organization Proper Git workflow Concepts Covered Hash Table Implementation Generic type support for keys and values Collision resolution through chaining Dynamic resizing based on load factor Proper null handling Clean API design Core Operations Put with collision handling Get with chain traversal Remove with chain maintenance ContainsKey implementation Size and clear operations Iterator Implementation Bucket and chain traversal Complete collection iteration Proper exception handling Clean iterator pattern Testing Practices Comprehensive test coverage Edge case handling Collision testing Iterator verification Clear test organization Implementation Progress Created complete HashTable interface Implemented SimpleHashTable with all operations Added proper collision handling Established iterator support Built comprehensive test suite Key Takeaways Hash table fundamentals and collision handling Clean code in data structure implementation Importance of comprehensive testing Iterator pattern implementation Generic type constraints and usage Next Steps Ready to explore: ...