Social Network Simulation - Data Structures Project

This Java project simulates a basic social network as part of a Data Structures course assignment. Users can interact with each other through friend connections, activity tracking, and a simplified news feed.

📌 Features

• Add and remove users
• Add and remove friendships
• Post messages and view friend news feeds
• View personal activity feeds
• Search for users using binary search
• Find mutual friends
• Recommend new friends based on mutual connections

🧠 Data Structures Used

• HashMap: For storing users and friend lists
• LinkedList: For user posts
• PriorityQueue: For activities and news feed (sorted by time)
• ArrayList: For adjacency/friend lists

🏁 How to Run

1. Clone the repository:
2. Open the project in any Java IDE (e.g., IntelliJ, Eclipse) or compile via terminal:
3. javac datastructureassignment1/*.java java datastructureassignment1.DataStructureAssignment1

📷 Sample Output

=== Welcome to Social Network Assignment of Ata Sakik ===
Menu: 
1. Add User
2. Add Friend
...