Java Recommendation System

Welcome to the Java Recommendation System project! This project is a movie recommendation system built in Java. It demonstrates how to work with data structures, interfaces, and algorithms to deliver personalized movie recommendations.

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Features

• Read and Parse Data: Load and analyze movie and ratings data.
• Filter Movies: Apply filters based on genres, years, or other criteria.
• Average Ratings: Calculate and display the average ratings for movies.
• Customizable Recommendations: Generate personalized movie recommendations for users based on their preferences and ratings.

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Prerequisites

• Java Development Kit (JDK): Version 8 or above.
• Integrated Development Environment (IDE): IntelliJ IDEA, Eclipse, or any other preferred IDE.
• Basic understanding of Java programming and object-oriented principles.

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Getting Started

Clone the Repository

git clone https://github.com/yourusername/java-recommendation-system.git
cd java-recommendation-system

Data Files

1. Movies File: A CSV file containing movie metadata (e.g., title, year, genres).
2. Ratings File: A CSV file containing user ratings for movies.

Place these files in the /data directory. Sample files:

• movies.csv
• ratings.csv

Project Structure

java-recommendation-system/
├── data/
│   ├── movies.csv
│   └── ratings.csv
├── src/
│   ├── Movie.java
│   ├── Rater.java
│   ├── Filter.java
│   ├── ThirdRatings.java
│   ├── RecommendationRunner.java
│   └── ... (other classes)
├── README.md
└── ...

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Usage

1. Load Data: The program reads movie and rating data from the movies.csv and ratings.csv files.
2. Apply Filters: Use predefined or custom filters to narrow down the movie list.
3. Generate Recommendations: Generate a list of recommended movies for a specific user.

Run the Application

• Compile and run the main class (RecommendationRunner.java) in your IDE or terminal.
• Example command:

  javac -d bin src/*.java
  java -cp bin RecommendationRunner
  

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Example Output

Top Recommendations for User 1:
1. Movie Title: The Godfather (1972)
   Average Rating: 4.8
2. Movie Title: Inception (2010)
   Average Rating: 4.7
...

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Customization

• Filters: Extend the Filter class to add new filters (e.g., runtime, director).
• Algorithm: Modify ThirdRatings.java to experiment with different recommendation algorithms.

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License

This project is licensed under the MIT License. See LICENSE for details.

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