#Phonebook CLI Application (Java)# 📌 University CSC212-Project

🚀 Project Overview

This command-line-based phonebook program was my first-ever practical programming project, built during my second year at university as part of my Data Structures course. It holds a special place in my journey as a developer, as it helped me understand fundamental data structures and how to implement them efficiently.

🔧 Tech Stack

• Language: Java
• Data Structures Used:
  • Binary Tree – for efficient searching and sorting of contacts.
  • Doubly Linked List – for flexible contact management (adding, deleting, modifying).

🎯 Key Features

• 📌 Add, Search, Delete Contacts – Stores contact names and numbers efficiently.
• 🔍 Binary Tree for Fast Lookup – Enables quick searching.
• 🔄 Doubly Linked List for Dynamic Management – Allows easy insertion and deletion.
• 🎓 Educational Purpose – A foundational project that deepened my understanding of data structures & algorithms.

📄 Installation & Usage

git clone https://github.com/yourusername/phonebook-cli.git
cd phonebook-cli
javac Phonebook.java
java Phonebook

🎯 Future Improvements

• GUI version using JavaFX or Swing.
• Integration with a database (SQLite or MySQL) for persistent storage.
• Export/Import contacts as CSV or JSON.

📫 Contact

For queries or collaboration, reach out via LinkedIn or Email.